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Finding the Fourth Proportional to 545,765.62, 747,702.33 and 525,311.58

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Solution

The fourth proportional to 545,765.62, 747,702.33 and 525,311.58 is: 719,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,765.62 : 747,702.33 = 525,311.58 : x
  2. Step 2: Convert to fraction form
    545,765.62/747,702.33 = 525,311.58/x
  3. Step 3: Cross multiply
    545,765.62x = 747,702.33 × 525,311.58
  4. Step 4: Simplify right side
    545,765.62x = 392,776,692,341.98
  5. Step 5: Solve for x
    x = 392,776,692,341.98/545,765.62
  6. Step 6: Final answer
    x = 719,680.17

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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.