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Finding the Fourth Proportional to 576,894.06, 865,423.11 and 177,568.11

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Solution

The fourth proportional to 576,894.06, 865,423.11 and 177,568.11 is: 266,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,894.06 : 865,423.11 = 177,568.11 : x
  2. Step 2: Convert to fraction form
    576,894.06/865,423.11 = 177,568.11/x
  3. Step 3: Cross multiply
    576,894.06x = 865,423.11 × 177,568.11
  4. Step 4: Simplify right side
    576,894.06x = 153,671,545,993.02
  5. Step 5: Solve for x
    x = 153,671,545,993.02/576,894.06
  6. Step 6: Final answer
    x = 266,377.41

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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.