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Finding the Fourth Proportional to 577,113.73, 865,763.62 and 177,754.32

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Solution

The fourth proportional to 577,113.73, 865,763.62 and 177,754.32 is: 266,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,113.73 : 865,763.62 = 177,754.32 : x
  2. Step 2: Convert to fraction form
    577,113.73/865,763.62 = 177,754.32/x
  3. Step 3: Cross multiply
    577,113.73x = 865,763.62 × 177,754.32
  4. Step 4: Simplify right side
    577,113.73x = 153,893,223,109.45
  5. Step 5: Solve for x
    x = 153,893,223,109.45/577,113.73
  6. Step 6: Final answer
    x = 266,660.13

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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.