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Finding the Fourth Proportional to 443,884.71, 665,925.71 and 207,098.22

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Solution

The fourth proportional to 443,884.71, 665,925.71 and 207,098.22 is: 310,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,884.71 : 665,925.71 = 207,098.22 : x
  2. Step 2: Convert to fraction form
    443,884.71/665,925.71 = 207,098.22/x
  3. Step 3: Cross multiply
    443,884.71x = 665,925.71 × 207,098.22
  4. Step 4: Simplify right side
    443,884.71x = 137,912,029,193.24
  5. Step 5: Solve for x
    x = 137,912,029,193.24/443,884.71
  6. Step 6: Final answer
    x = 310,693.35

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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.