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Finding the Fourth Proportional to 576,894.90, 865,424.28 and 177,568.92

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Solution

The fourth proportional to 576,894.90, 865,424.28 and 177,568.92 is: 266,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,894.90 : 865,424.28 = 177,568.92 : x
  2. Step 2: Convert to fraction form
    576,894.90/865,424.28 = 177,568.92/x
  3. Step 3: Cross multiply
    576,894.90x = 865,424.28 × 177,568.92
  4. Step 4: Simplify right side
    576,894.90x = 153,672,454,741.38
  5. Step 5: Solve for x
    x = 153,672,454,741.38/576,894.90
  6. Step 6: Final answer
    x = 266,378.60

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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.