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Finding the Fourth Proportional to 567,031.80, 850,547.70 and 521,760.90

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Solution

The fourth proportional to 567,031.80, 850,547.70 and 521,760.90 is: 782,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,031.80 : 850,547.70 = 521,760.90 : x
  2. Step 2: Convert to fraction form
    567,031.80/850,547.70 = 521,760.90/x
  3. Step 3: Cross multiply
    567,031.80x = 850,547.70 × 521,760.90
  4. Step 4: Simplify right side
    567,031.80x = 443,782,533,444.93
  5. Step 5: Solve for x
    x = 443,782,533,444.93/567,031.80
  6. Step 6: Final answer
    x = 782,641.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.