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Finding the Fourth Proportional to 458,859.88, 688,307.11 and 174,497.43

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Solution

The fourth proportional to 458,859.88, 688,307.11 and 174,497.43 is: 261,752.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,859.88 : 688,307.11 = 174,497.43 : x
  2. Step 2: Convert to fraction form
    458,859.88/688,307.11 = 174,497.43/x
  3. Step 3: Cross multiply
    458,859.88x = 688,307.11 × 174,497.43
  4. Step 4: Simplify right side
    458,859.88x = 120,107,818,805.59
  5. Step 5: Solve for x
    x = 120,107,818,805.59/458,859.88
  6. Step 6: Final answer
    x = 261,752.71

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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.