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Finding the Fourth Proportional to 568,373.76, 784,416.96 and 424,887.12

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Solution

The fourth proportional to 568,373.76, 784,416.96 and 424,887.12 is: 586,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,373.76 : 784,416.96 = 424,887.12 : x
  2. Step 2: Convert to fraction form
    568,373.76/784,416.96 = 424,887.12/x
  3. Step 3: Cross multiply
    568,373.76x = 784,416.96 × 424,887.12
  4. Step 4: Simplify right side
    568,373.76x = 333,288,663,013.56
  5. Step 5: Solve for x
    x = 333,288,663,013.56/568,373.76
  6. Step 6: Final answer
    x = 586,389.95

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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.