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Finding the Fourth Proportional to 586,044.38, 808,746.12 and 317,772.38

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Solution

The fourth proportional to 586,044.38, 808,746.12 and 317,772.38 is: 438,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,044.38 : 808,746.12 = 317,772.38 : x
  2. Step 2: Convert to fraction form
    586,044.38/808,746.12 = 317,772.38/x
  3. Step 3: Cross multiply
    586,044.38x = 808,746.12 × 317,772.38
  4. Step 4: Simplify right side
    586,044.38x = 256,997,175,324.44
  5. Step 5: Solve for x
    x = 256,997,175,324.44/586,044.38
  6. Step 6: Final answer
    x = 438,528.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.