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Finding the Fourth Proportional to 361,958.27, 499,526.03 and 209,002.91

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Solution

The fourth proportional to 361,958.27, 499,526.03 and 209,002.91 is: 288,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,958.27 : 499,526.03 = 209,002.91 : x
  2. Step 2: Convert to fraction form
    361,958.27/499,526.03 = 209,002.91/x
  3. Step 3: Cross multiply
    361,958.27x = 499,526.03 × 209,002.91
  4. Step 4: Simplify right side
    361,958.27x = 104,402,391,915.62
  5. Step 5: Solve for x
    x = 104,402,391,915.62/361,958.27
  6. Step 6: Final answer
    x = 288,437.65

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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.