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Finding the Fourth Proportional to 577,173.32, 865,874.80 and 177,797.06

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Solution

The fourth proportional to 577,173.32, 865,874.80 and 177,797.06 is: 266,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,173.32 : 865,874.80 = 177,797.06 : x
  2. Step 2: Convert to fraction form
    577,173.32/865,874.80 = 177,797.06/x
  3. Step 3: Cross multiply
    577,173.32x = 865,874.80 × 177,797.06
  4. Step 4: Simplify right side
    577,173.32x = 153,949,989,438.71
  5. Step 5: Solve for x
    x = 153,949,989,438.71/577,173.32
  6. Step 6: Final answer
    x = 266,730.95

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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.