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Finding the Fourth Proportional to 713,272.67, 984,416.97 and 441,428.10

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Solution

The fourth proportional to 713,272.67, 984,416.97 and 441,428.10 is: 609,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,272.67 : 984,416.97 = 441,428.10 : x
  2. Step 2: Convert to fraction form
    713,272.67/984,416.97 = 441,428.10/x
  3. Step 3: Cross multiply
    713,272.67x = 984,416.97 × 441,428.10
  4. Step 4: Simplify right side
    713,272.67x = 434,549,312,674.86
  5. Step 5: Solve for x
    x = 434,549,312,674.86/713,272.67
  6. Step 6: Final answer
    x = 609,233.09

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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.