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Finding the Fourth Proportional to 616,340.80, 924,770.40 and 336,059.20

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Solution

The fourth proportional to 616,340.80, 924,770.40 and 336,059.20 is: 504,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,340.80 : 924,770.40 = 336,059.20 : x
  2. Step 2: Convert to fraction form
    616,340.80/924,770.40 = 336,059.20/x
  3. Step 3: Cross multiply
    616,340.80x = 924,770.40 × 336,059.20
  4. Step 4: Simplify right side
    616,340.80x = 310,777,600,807.68
  5. Step 5: Solve for x
    x = 310,777,600,807.68/616,340.80
  6. Step 6: Final answer
    x = 504,230.13

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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.