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Finding the Fourth Proportional to 443,341.69, 611,812.24 and 252,355.10

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Solution

The fourth proportional to 443,341.69, 611,812.24 and 252,355.10 is: 348,250.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,341.69 : 611,812.24 = 252,355.10 : x
  2. Step 2: Convert to fraction form
    443,341.69/611,812.24 = 252,355.10/x
  3. Step 3: Cross multiply
    443,341.69x = 611,812.24 × 252,355.10
  4. Step 4: Simplify right side
    443,341.69x = 154,393,935,316.48
  5. Step 5: Solve for x
    x = 154,393,935,316.48/443,341.69
  6. Step 6: Final answer
    x = 348,250.43

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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.