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Finding the Fourth Proportional to 564,080.70, 847,503.45 and 424,112.70

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Solution

The fourth proportional to 564,080.70, 847,503.45 and 424,112.70 is: 637,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,080.70 : 847,503.45 = 424,112.70 : x
  2. Step 2: Convert to fraction form
    564,080.70/847,503.45 = 424,112.70/x
  3. Step 3: Cross multiply
    564,080.70x = 847,503.45 × 424,112.70
  4. Step 4: Simplify right side
    564,080.70x = 359,436,976,438.82
  5. Step 5: Solve for x
    x = 359,436,976,438.82/564,080.70
  6. Step 6: Final answer
    x = 637,208.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.