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Finding the Fourth Proportional to 480,144.80, 662,613.19 and 265,298.71

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Solution

The fourth proportional to 480,144.80, 662,613.19 and 265,298.71 is: 366,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,144.80 : 662,613.19 = 265,298.71 : x
  2. Step 2: Convert to fraction form
    480,144.80/662,613.19 = 265,298.71/x
  3. Step 3: Cross multiply
    480,144.80x = 662,613.19 × 265,298.71
  4. Step 4: Simplify right side
    480,144.80x = 175,790,425,695.88
  5. Step 5: Solve for x
    x = 175,790,425,695.88/480,144.80
  6. Step 6: Final answer
    x = 366,119.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.