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Finding the Fourth Proportional to 612,052.80, 917,182.80 and 548,872.80

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Solution

The fourth proportional to 612,052.80, 917,182.80 and 548,872.80 is: 822,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,052.80 : 917,182.80 = 548,872.80 : x
  2. Step 2: Convert to fraction form
    612,052.80/917,182.80 = 548,872.80/x
  3. Step 3: Cross multiply
    612,052.80x = 917,182.80 × 548,872.80
  4. Step 4: Simplify right side
    612,052.80x = 503,416,691,547.84
  5. Step 5: Solve for x
    x = 503,416,691,547.84/612,052.80
  6. Step 6: Final answer
    x = 822,505.33

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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.