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Finding the Fourth Proportional to 547,472.45, 750,024.70 and 527,004.23

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Solution

The fourth proportional to 547,472.45, 750,024.70 and 527,004.23 is: 721,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,472.45 : 750,024.70 = 527,004.23 : x
  2. Step 2: Convert to fraction form
    547,472.45/750,024.70 = 527,004.23/x
  3. Step 3: Cross multiply
    547,472.45x = 750,024.70 × 527,004.23
  4. Step 4: Simplify right side
    547,472.45x = 395,266,184,436.85
  5. Step 5: Solve for x
    x = 395,266,184,436.85/547,472.45
  6. Step 6: Final answer
    x = 721,983.70

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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.