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Finding the Fourth Proportional to 474,849.60, 712,271.72 and 119,862.16

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Solution

The fourth proportional to 474,849.60, 712,271.72 and 119,862.16 is: 179,792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,849.60 : 712,271.72 = 119,862.16 : x
  2. Step 2: Convert to fraction form
    474,849.60/712,271.72 = 119,862.16/x
  3. Step 3: Cross multiply
    474,849.60x = 712,271.72 × 119,862.16
  4. Step 4: Simplify right side
    474,849.60x = 85,374,426,866.12
  5. Step 5: Solve for x
    x = 85,374,426,866.12/474,849.60
  6. Step 6: Final answer
    x = 179,792.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.