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Finding the Fourth Proportional to 576,886.62, 865,411.93 and 177,560.67

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Solution

The fourth proportional to 576,886.62, 865,411.93 and 177,560.67 is: 266,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,886.62 : 865,411.93 = 177,560.67 : x
  2. Step 2: Convert to fraction form
    576,886.62/865,411.93 = 177,560.67/x
  3. Step 3: Cross multiply
    576,886.62x = 865,411.93 × 177,560.67
  4. Step 4: Simplify right side
    576,886.62x = 153,663,125,584.04
  5. Step 5: Solve for x
    x = 153,663,125,584.04/576,886.62
  6. Step 6: Final answer
    x = 266,366.25

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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.