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Finding the Fourth Proportional to 616,131.66, 924,302.58 and 274,698.98

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Solution

The fourth proportional to 616,131.66, 924,302.58 and 274,698.98 is: 412,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,131.66 : 924,302.58 = 274,698.98 : x
  2. Step 2: Convert to fraction form
    616,131.66/924,302.58 = 274,698.98/x
  3. Step 3: Cross multiply
    616,131.66x = 924,302.58 × 274,698.98
  4. Step 4: Simplify right side
    616,131.66x = 253,904,975,937.37
  5. Step 5: Solve for x
    x = 253,904,975,937.37/616,131.66
  6. Step 6: Final answer
    x = 412,095.32

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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.