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Finding the Fourth Proportional to 567,312.92, 783,150.54 and 404,074.52

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Solution

The fourth proportional to 567,312.92, 783,150.54 and 404,074.52 is: 557,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,312.92 : 783,150.54 = 404,074.52 : x
  2. Step 2: Convert to fraction form
    567,312.92/783,150.54 = 404,074.52/x
  3. Step 3: Cross multiply
    567,312.92x = 783,150.54 × 404,074.52
  4. Step 4: Simplify right side
    567,312.92x = 316,451,178,538.24
  5. Step 5: Solve for x
    x = 316,451,178,538.24/567,312.92
  6. Step 6: Final answer
    x = 557,807.11

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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.