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Finding the Fourth Proportional to 359,834.40, 539,751.60 and 354,585.60

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Solution

The fourth proportional to 359,834.40, 539,751.60 and 354,585.60 is: 531,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,834.40 : 539,751.60 = 354,585.60 : x
  2. Step 2: Convert to fraction form
    359,834.40/539,751.60 = 354,585.60/x
  3. Step 3: Cross multiply
    359,834.40x = 539,751.60 × 354,585.60
  4. Step 4: Simplify right side
    359,834.40x = 191,388,144,936.96
  5. Step 5: Solve for x
    x = 191,388,144,936.96/359,834.40
  6. Step 6: Final answer
    x = 531,878.40

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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.