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Finding the Fourth Proportional to 500,349.35, 750,084.77 and 259,957.08

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Solution

The fourth proportional to 500,349.35, 750,084.77 and 259,957.08 is: 389,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,349.35 : 750,084.77 = 259,957.08 : x
  2. Step 2: Convert to fraction form
    500,349.35/750,084.77 = 259,957.08/x
  3. Step 3: Cross multiply
    500,349.35x = 750,084.77 × 259,957.08
  4. Step 4: Simplify right side
    500,349.35x = 194,989,847,211.56
  5. Step 5: Solve for x
    x = 194,989,847,211.56/500,349.35
  6. Step 6: Final answer
    x = 389,707.40

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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.