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Finding the Fourth Proportional to 359,265.70, 538,898.55 and 217,548.10

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Solution

The fourth proportional to 359,265.70, 538,898.55 and 217,548.10 is: 326,322.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,265.70 : 538,898.55 = 217,548.10 : x
  2. Step 2: Convert to fraction form
    359,265.70/538,898.55 = 217,548.10/x
  3. Step 3: Cross multiply
    359,265.70x = 538,898.55 × 217,548.10
  4. Step 4: Simplify right side
    359,265.70x = 117,236,355,645.26
  5. Step 5: Solve for x
    x = 117,236,355,645.26/359,265.70
  6. Step 6: Final answer
    x = 326,322.15

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1.5x scale

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.