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Finding the Fourth Proportional to 359,281, 538,919.34 and 93,040.84

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Solution

The fourth proportional to 359,281, 538,919.34 and 93,040.84 is: 139,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,281 : 538,919.34 = 93,040.84 : x
  2. Step 2: Convert to fraction form
    359,281/538,919.34 = 93,040.84/x
  3. Step 3: Cross multiply
    359,281x = 538,919.34 × 93,040.84
  4. Step 4: Simplify right side
    359,281x = 50,141,508,085.85
  5. Step 5: Solve for x
    x = 50,141,508,085.85/359,281
  6. Step 6: Final answer
    x = 139,560.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.