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Finding the Fourth Proportional to 607,031.80, 910,547.70 and 292,103.80

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Solution

The fourth proportional to 607,031.80, 910,547.70 and 292,103.80 is: 438,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,031.80 : 910,547.70 = 292,103.80 : x
  2. Step 2: Convert to fraction form
    607,031.80/910,547.70 = 292,103.80/x
  3. Step 3: Cross multiply
    607,031.80x = 910,547.70 × 292,103.80
  4. Step 4: Simplify right side
    607,031.80x = 265,974,443,251.26
  5. Step 5: Solve for x
    x = 265,974,443,251.26/607,031.80
  6. Step 6: Final answer
    x = 438,155.70

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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.