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Finding the Fourth Proportional to 480,560.52, 720,618.88 and 176,878.38

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Solution

The fourth proportional to 480,560.52, 720,618.88 and 176,878.38 is: 265,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,560.52 : 720,618.88 = 176,878.38 : x
  2. Step 2: Convert to fraction form
    480,560.52/720,618.88 = 176,878.38/x
  3. Step 3: Cross multiply
    480,560.52x = 720,618.88 × 176,878.38
  4. Step 4: Simplify right side
    480,560.52x = 127,461,900,091.81
  5. Step 5: Solve for x
    x = 127,461,900,091.81/480,560.52
  6. Step 6: Final answer
    x = 265,235.90

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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.