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Finding the Fourth Proportional to 359,398.63, 539,040.81 and 119,492.57

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Solution

The fourth proportional to 359,398.63, 539,040.81 and 119,492.57 is: 179,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,398.63 : 539,040.81 = 119,492.57 : x
  2. Step 2: Convert to fraction form
    359,398.63/539,040.81 = 119,492.57/x
  3. Step 3: Cross multiply
    359,398.63x = 539,040.81 × 119,492.57
  4. Step 4: Simplify right side
    359,398.63x = 64,411,372,845.34
  5. Step 5: Solve for x
    x = 64,411,372,845.34/359,398.63
  6. Step 6: Final answer
    x = 179,219.86

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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.