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Finding the Fourth Proportional to 660,285.29, 912,048.43 and 546,025.46

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Solution

The fourth proportional to 660,285.29, 912,048.43 and 546,025.46 is: 754,221.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,285.29 : 912,048.43 = 546,025.46 : x
  2. Step 2: Convert to fraction form
    660,285.29/912,048.43 = 546,025.46/x
  3. Step 3: Cross multiply
    660,285.29x = 912,048.43 × 546,025.46
  4. Step 4: Simplify right side
    660,285.29x = 498,001,657,607.72
  5. Step 5: Solve for x
    x = 498,001,657,607.72/660,285.29
  6. Step 6: Final answer
    x = 754,221.95

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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.