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Finding the Fourth Proportional to 585,537.12, 808,041.42 and 317,265.12

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Solution

The fourth proportional to 585,537.12, 808,041.42 and 317,265.12 is: 437,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,537.12 : 808,041.42 = 317,265.12 : x
  2. Step 2: Convert to fraction form
    585,537.12/808,041.42 = 317,265.12/x
  3. Step 3: Cross multiply
    585,537.12x = 808,041.42 × 317,265.12
  4. Step 4: Simplify right side
    585,537.12x = 256,363,358,081.27
  5. Step 5: Solve for x
    x = 256,363,358,081.27/585,537.12
  6. Step 6: Final answer
    x = 437,825.97

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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.