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Finding the Fourth Proportional to 359,269.60, 538,904.40 and 148,837.60

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Solution

The fourth proportional to 359,269.60, 538,904.40 and 148,837.60 is: 223,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,269.60 : 538,904.40 = 148,837.60 : x
  2. Step 2: Convert to fraction form
    359,269.60/538,904.40 = 148,837.60/x
  3. Step 3: Cross multiply
    359,269.60x = 538,904.40 × 148,837.60
  4. Step 4: Simplify right side
    359,269.60x = 80,209,237,525.44
  5. Step 5: Solve for x
    x = 80,209,237,525.44/359,269.60
  6. Step 6: Final answer
    x = 223,256.40

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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.