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Finding the Fourth Proportional to 458,812.44, 688,184.64 and 192,562.20

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Solution

The fourth proportional to 458,812.44, 688,184.64 and 192,562.20 is: 288,829.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,812.44 : 688,184.64 = 192,562.20 : x
  2. Step 2: Convert to fraction form
    458,812.44/688,184.64 = 192,562.20/x
  3. Step 3: Cross multiply
    458,812.44x = 688,184.64 × 192,562.20
  4. Step 4: Simplify right side
    458,812.44x = 132,518,348,284.61
  5. Step 5: Solve for x
    x = 132,518,348,284.61/458,812.44
  6. Step 6: Final answer
    x = 288,829.02

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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.