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Finding the Fourth Proportional to 566,693.50, 782,037.03 and 312,044.08

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Solution

The fourth proportional to 566,693.50, 782,037.03 and 312,044.08 is: 430,620.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,693.50 : 782,037.03 = 312,044.08 : x
  2. Step 2: Convert to fraction form
    566,693.50/782,037.03 = 312,044.08/x
  3. Step 3: Cross multiply
    566,693.50x = 782,037.03 × 312,044.08
  4. Step 4: Simplify right side
    566,693.50x = 244,030,025,552.28
  5. Step 5: Solve for x
    x = 244,030,025,552.28/566,693.50
  6. Step 6: Final answer
    x = 430,620.83

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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.