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Finding the Fourth Proportional to 566,458.04, 781,313.90 and 372,804.04

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Solution

The fourth proportional to 566,458.04, 781,313.90 and 372,804.04 is: 514,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,458.04 : 781,313.90 = 372,804.04 : x
  2. Step 2: Convert to fraction form
    566,458.04/781,313.90 = 372,804.04/x
  3. Step 3: Cross multiply
    566,458.04x = 781,313.90 × 372,804.04
  4. Step 4: Simplify right side
    566,458.04x = 291,276,978,428.16
  5. Step 5: Solve for x
    x = 291,276,978,428.16/566,458.04
  6. Step 6: Final answer
    x = 514,207.51

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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.