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Finding the Fourth Proportional to 567,008.80, 850,513.20 and 553,886.80

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Solution

The fourth proportional to 567,008.80, 850,513.20 and 553,886.80 is: 830,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,008.80 : 850,513.20 = 553,886.80 : x
  2. Step 2: Convert to fraction form
    567,008.80/850,513.20 = 553,886.80/x
  3. Step 3: Cross multiply
    567,008.80x = 850,513.20 × 553,886.80
  4. Step 4: Simplify right side
    567,008.80x = 471,088,034,705.76
  5. Step 5: Solve for x
    x = 471,088,034,705.76/567,008.80
  6. Step 6: Final answer
    x = 830,830.20

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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.