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Finding the Fourth Proportional to 480,766.16, 662,721 and 359,724.08

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Solution

The fourth proportional to 480,766.16, 662,721 and 359,724.08 is: 495,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,766.16 : 662,721 = 359,724.08 : x
  2. Step 2: Convert to fraction form
    480,766.16/662,721 = 359,724.08/x
  3. Step 3: Cross multiply
    480,766.16x = 662,721 × 359,724.08
  4. Step 4: Simplify right side
    480,766.16x = 238,396,702,021.68
  5. Step 5: Solve for x
    x = 238,396,702,021.68/480,766.16
  6. Step 6: Final answer
    x = 495,868.31

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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.