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Finding the Fourth Proportional to 359,063,409.60, 537,251,421.60 and 238,131,057.60

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Solution

The fourth proportional to 359,063,409.60, 537,251,421.60 and 238,131,057.60 is: 356,305,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,063,409.60 : 537,251,421.60 = 238,131,057.60 : x
  2. Step 2: Convert to fraction form
    359,063,409.60/537,251,421.60 = 238,131,057.60/x
  3. Step 3: Cross multiply
    359,063,409.60x = 537,251,421.60 × 238,131,057.60
  4. Step 4: Simplify right side
    359,063,409.60x = 127,936,249,222,711,488
  5. Step 5: Solve for x
    x = 127,936,249,222,711,488/359,063,409.60
  6. Step 6: Final answer
    x = 356,305,448.57

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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.