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Finding the Fourth Proportional to 453,002.68, 679,496.34 and 157,507

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Solution

The fourth proportional to 453,002.68, 679,496.34 and 157,507 is: 236,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,002.68 : 679,496.34 = 157,507 : x
  2. Step 2: Convert to fraction form
    453,002.68/679,496.34 = 157,507/x
  3. Step 3: Cross multiply
    453,002.68x = 679,496.34 × 157,507
  4. Step 4: Simplify right side
    453,002.68x = 107,025,430,024.38
  5. Step 5: Solve for x
    x = 107,025,430,024.38/453,002.68
  6. Step 6: Final answer
    x = 236,257.83

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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.