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Finding the Fourth Proportional to 359,365.60, 538,465.20 and 226,007.20

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Solution

The fourth proportional to 359,365.60, 538,465.20 and 226,007.20 is: 338,644.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,365.60 : 538,465.20 = 226,007.20 : x
  2. Step 2: Convert to fraction form
    359,365.60/538,465.20 = 226,007.20/x
  3. Step 3: Cross multiply
    359,365.60x = 538,465.20 × 226,007.20
  4. Step 4: Simplify right side
    359,365.60x = 121,697,012,149.44
  5. Step 5: Solve for x
    x = 121,697,012,149.44/359,365.60
  6. Step 6: Final answer
    x = 338,644.02

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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.