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Finding the Fourth Proportional to 650,880.60, 976,468.12 and 351,354.75

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Solution

The fourth proportional to 650,880.60, 976,468.12 and 351,354.75 is: 527,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,880.60 : 976,468.12 = 351,354.75 : x
  2. Step 2: Convert to fraction form
    650,880.60/976,468.12 = 351,354.75/x
  3. Step 3: Cross multiply
    650,880.60x = 976,468.12 × 351,354.75
  4. Step 4: Simplify right side
    650,880.60x = 343,086,711,307.18
  5. Step 5: Solve for x
    x = 343,086,711,307.18/650,880.60
  6. Step 6: Final answer
    x = 527,111.60

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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.