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Finding the Fourth Proportional to 547,450.84, 755,065.86 and 471,098.57

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Solution

The fourth proportional to 547,450.84, 755,065.86 and 471,098.57 is: 649,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,450.84 : 755,065.86 = 471,098.57 : x
  2. Step 2: Convert to fraction form
    547,450.84/755,065.86 = 471,098.57/x
  3. Step 3: Cross multiply
    547,450.84x = 755,065.86 × 471,098.57
  4. Step 4: Simplify right side
    547,450.84x = 355,710,446,901.82
  5. Step 5: Solve for x
    x = 355,710,446,901.82/547,450.84
  6. Step 6: Final answer
    x = 649,757.79

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1.5x scale

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.