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Finding the Fourth Proportional to 713,275.67, 984,421.11 and 441,431.10

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Solution

The fourth proportional to 713,275.67, 984,421.11 and 441,431.10 is: 609,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,275.67 : 984,421.11 = 441,431.10 : x
  2. Step 2: Convert to fraction form
    713,275.67/984,421.11 = 441,431.10/x
  3. Step 3: Cross multiply
    713,275.67x = 984,421.11 × 441,431.10
  4. Step 4: Simplify right side
    713,275.67x = 434,554,093,450.52
  5. Step 5: Solve for x
    x = 434,554,093,450.52/713,275.67
  6. Step 6: Final answer
    x = 609,237.23

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Double scale
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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.