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Finding the Fourth Proportional to 777,094.56, 1,165,346.55 and 371,870.82

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Solution

The fourth proportional to 777,094.56, 1,165,346.55 and 371,870.82 is: 557,664.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,094.56 : 1,165,346.55 = 371,870.82 : x
  2. Step 2: Convert to fraction form
    777,094.56/1,165,346.55 = 371,870.82/x
  3. Step 3: Cross multiply
    777,094.56x = 1,165,346.55 × 371,870.82
  4. Step 4: Simplify right side
    777,094.56x = 433,358,377,132.67
  5. Step 5: Solve for x
    x = 433,358,377,132.67/777,094.56
  6. Step 6: Final answer
    x = 557,664.92

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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.