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Finding the Fourth Proportional to 567,475.74, 783,122.58 and 312,836.04

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Solution

The fourth proportional to 567,475.74, 783,122.58 and 312,836.04 is: 431,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,475.74 : 783,122.58 = 312,836.04 : x
  2. Step 2: Convert to fraction form
    567,475.74/783,122.58 = 312,836.04/x
  3. Step 3: Cross multiply
    567,475.74x = 783,122.58 × 312,836.04
  4. Step 4: Simplify right side
    567,475.74x = 244,988,966,761.78
  5. Step 5: Solve for x
    x = 244,988,966,761.78/567,475.74
  6. Step 6: Final answer
    x = 431,717.08

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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.