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Finding the Fourth Proportional to 610,874.64, 916,340.76 and 504,060.48

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Solution

The fourth proportional to 610,874.64, 916,340.76 and 504,060.48 is: 756,114.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,874.64 : 916,340.76 = 504,060.48 : x
  2. Step 2: Convert to fraction form
    610,874.64/916,340.76 = 504,060.48/x
  3. Step 3: Cross multiply
    610,874.64x = 916,340.76 × 504,060.48
  4. Step 4: Simplify right side
    610,874.64x = 461,891,163,329.17
  5. Step 5: Solve for x
    x = 461,891,163,329.17/610,874.64
  6. Step 6: Final answer
    x = 756,114.48

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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.