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Finding the Fourth Proportional to 359,834.35, 539,938.32 and 146,758.58

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Solution

The fourth proportional to 359,834.35, 539,938.32 and 146,758.58 is: 220,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,834.35 : 539,938.32 = 146,758.58 : x
  2. Step 2: Convert to fraction form
    359,834.35/539,938.32 = 146,758.58/x
  3. Step 3: Cross multiply
    359,834.35x = 539,938.32 × 146,758.58
  4. Step 4: Simplify right side
    359,834.35x = 79,240,581,130.79
  5. Step 5: Solve for x
    x = 79,240,581,130.79/359,834.35
  6. Step 6: Final answer
    x = 220,214.05

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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.