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Finding the Fourth Proportional to 713,658.60, 984,334.68 and 458,766.18

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Solution

The fourth proportional to 713,658.60, 984,334.68 and 458,766.18 is: 632,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,658.60 : 984,334.68 = 458,766.18 : x
  2. Step 2: Convert to fraction form
    713,658.60/984,334.68 = 458,766.18/x
  3. Step 3: Cross multiply
    713,658.60x = 984,334.68 × 458,766.18
  4. Step 4: Simplify right side
    713,658.60x = 451,579,460,985.12
  5. Step 5: Solve for x
    x = 451,579,460,985.12/713,658.60
  6. Step 6: Final answer
    x = 632,766.79

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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.