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Finding the Fourth Proportional to 480,559.52, 720,617.38 and 176,877.38

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Solution

The fourth proportional to 480,559.52, 720,617.38 and 176,877.38 is: 265,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,559.52 : 720,617.38 = 176,877.38 : x
  2. Step 2: Convert to fraction form
    480,559.52/720,617.38 = 176,877.38/x
  3. Step 3: Cross multiply
    480,559.52x = 720,617.38 × 176,877.38
  4. Step 4: Simplify right side
    480,559.52x = 127,460,915,516.21
  5. Step 5: Solve for x
    x = 127,460,915,516.21/480,559.52
  6. Step 6: Final answer
    x = 265,234.40

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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.