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Finding the Fourth Proportional to 576,017.06, 864,171.40 and 176,678.16

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Solution

The fourth proportional to 576,017.06, 864,171.40 and 176,678.16 is: 265,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,017.06 : 864,171.40 = 176,678.16 : x
  2. Step 2: Convert to fraction form
    576,017.06/864,171.40 = 176,678.16/x
  3. Step 3: Cross multiply
    576,017.06x = 864,171.40 × 176,678.16
  4. Step 4: Simplify right side
    576,017.06x = 152,680,212,876.62
  5. Step 5: Solve for x
    x = 152,680,212,876.62/576,017.06
  6. Step 6: Final answer
    x = 265,061.96

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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.