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Finding the Fourth Proportional to 713,217.71, 984,341.23 and 441,373.07

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Solution

The fourth proportional to 713,217.71, 984,341.23 and 441,373.07 is: 609,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,217.71 : 984,341.23 = 441,373.07 : x
  2. Step 2: Convert to fraction form
    713,217.71/984,341.23 = 441,373.07/x
  3. Step 3: Cross multiply
    713,217.71x = 984,341.23 × 441,373.07
  4. Step 4: Simplify right side
    713,217.71x = 434,461,711,970.10
  5. Step 5: Solve for x
    x = 434,461,711,970.10/713,217.71
  6. Step 6: Final answer
    x = 609,157.21

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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.