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Finding the Fourth Proportional to 359,126.61, 538,848.60 and 188,307.53

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Solution

The fourth proportional to 359,126.61, 538,848.60 and 188,307.53 is: 282,544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,126.61 : 538,848.60 = 188,307.53 : x
  2. Step 2: Convert to fraction form
    359,126.61/538,848.60 = 188,307.53/x
  3. Step 3: Cross multiply
    359,126.61x = 538,848.60 × 188,307.53
  4. Step 4: Simplify right side
    359,126.61x = 101,469,248,909.96
  5. Step 5: Solve for x
    x = 101,469,248,909.96/359,126.61
  6. Step 6: Final answer
    x = 282,544.50

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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.