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Finding the Fourth Proportional to 545,797.02, 747,744.67 and 525,342.90

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Solution

The fourth proportional to 545,797.02, 747,744.67 and 525,342.90 is: 719,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,797.02 : 747,744.67 = 525,342.90 : x
  2. Step 2: Convert to fraction form
    545,797.02/747,744.67 = 525,342.90/x
  3. Step 3: Cross multiply
    545,797.02x = 747,744.67 × 525,342.90
  4. Step 4: Simplify right side
    545,797.02x = 392,822,353,397.34
  5. Step 5: Solve for x
    x = 392,822,353,397.34/545,797.02
  6. Step 6: Final answer
    x = 719,722.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.