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Finding the Fourth Proportional to 359,251,726.40, 538,877,589.60 and 359,251,726.40

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Solution

The fourth proportional to 359,251,726.40, 538,877,589.60 and 359,251,726.40 is: 538,877,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,251,726.40 : 538,877,589.60 = 359,251,726.40 : x
  2. Step 2: Convert to fraction form
    359,251,726.40/538,877,589.60 = 359,251,726.40/x
  3. Step 3: Cross multiply
    359,251,726.40x = 538,877,589.60 × 359,251,726.40
  4. Step 4: Simplify right side
    359,251,726.40x = 193,592,704,382,070,688
  5. Step 5: Solve for x
    x = 193,592,704,382,070,688/359,251,726.40
  6. Step 6: Final answer
    x = 538,877,589.60

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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.