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Finding the Fourth Proportional to 614,706.04, 847,817.40 and 545,867.92

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Solution

The fourth proportional to 614,706.04, 847,817.40 and 545,867.92 is: 752,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,706.04 : 847,817.40 = 545,867.92 : x
  2. Step 2: Convert to fraction form
    614,706.04/847,817.40 = 545,867.92/x
  3. Step 3: Cross multiply
    614,706.04x = 847,817.40 × 545,867.92
  4. Step 4: Simplify right side
    614,706.04x = 462,796,320,677.81
  5. Step 5: Solve for x
    x = 462,796,320,677.81/614,706.04
  6. Step 6: Final answer
    x = 752,874.20

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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.