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Finding the Fourth Proportional to 480,767.16, 662,722.38 and 359,725.08

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Solution

The fourth proportional to 480,767.16, 662,722.38 and 359,725.08 is: 495,869.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,767.16 : 662,722.38 = 359,725.08 : x
  2. Step 2: Convert to fraction form
    480,767.16/662,722.38 = 359,725.08/x
  3. Step 3: Cross multiply
    480,767.16x = 662,722.38 × 359,725.08
  4. Step 4: Simplify right side
    480,767.16x = 238,397,861,163.29
  5. Step 5: Solve for x
    x = 238,397,861,163.29/480,767.16
  6. Step 6: Final answer
    x = 495,869.69

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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.