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Finding the Fourth Proportional to 1,005,592, 1,387,744.34 and 546,737.46

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Solution

The fourth proportional to 1,005,592, 1,387,744.34 and 546,737.46 is: 754,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,592 : 1,387,744.34 = 546,737.46 : x
  2. Step 2: Convert to fraction form
    1,005,592/1,387,744.34 = 546,737.46/x
  3. Step 3: Cross multiply
    1,005,592x = 1,387,744.34 × 546,737.46
  4. Step 4: Simplify right side
    1,005,592x = 758,731,815,580.98
  5. Step 5: Solve for x
    x = 758,731,815,580.98/1,005,592
  6. Step 6: Final answer
    x = 754,512.58

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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.