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Finding the Fourth Proportional to 359,267.60, 538,901.40 and 148,835.60

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Solution

The fourth proportional to 359,267.60, 538,901.40 and 148,835.60 is: 223,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,267.60 : 538,901.40 = 148,835.60 : x
  2. Step 2: Convert to fraction form
    359,267.60/538,901.40 = 148,835.60/x
  3. Step 3: Cross multiply
    359,267.60x = 538,901.40 × 148,835.60
  4. Step 4: Simplify right side
    359,267.60x = 80,207,713,209.84
  5. Step 5: Solve for x
    x = 80,207,713,209.84/359,267.60
  6. Step 6: Final answer
    x = 223,253.40

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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.