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Finding the Fourth Proportional to 359,017.47, 538,575.39 and 159,333.44

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Solution

The fourth proportional to 359,017.47, 538,575.39 and 159,333.44 is: 239,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,017.47 : 538,575.39 = 159,333.44 : x
  2. Step 2: Convert to fraction form
    359,017.47/538,575.39 = 159,333.44/x
  3. Step 3: Cross multiply
    359,017.47x = 538,575.39 × 159,333.44
  4. Step 4: Simplify right side
    359,017.47x = 85,813,066,895.16
  5. Step 5: Solve for x
    x = 85,813,066,895.16/359,017.47
  6. Step 6: Final answer
    x = 239,021.98

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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.