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Finding the Fourth Proportional to 616,005.80, 924,959.10 and 336,069.80

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Solution

The fourth proportional to 616,005.80, 924,959.10 and 336,069.80 is: 504,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,005.80 : 924,959.10 = 336,069.80 : x
  2. Step 2: Convert to fraction form
    616,005.80/924,959.10 = 336,069.80/x
  3. Step 3: Cross multiply
    616,005.80x = 924,959.10 × 336,069.80
  4. Step 4: Simplify right side
    616,005.80x = 310,850,819,745.18
  5. Step 5: Solve for x
    x = 310,850,819,745.18/616,005.80
  6. Step 6: Final answer
    x = 504,623.20

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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.