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Finding the Fourth Proportional to 474,796.80, 710,812.80 and 460,972.80

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Solution

The fourth proportional to 474,796.80, 710,812.80 and 460,972.80 is: 690,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,796.80 : 710,812.80 = 460,972.80 : x
  2. Step 2: Convert to fraction form
    474,796.80/710,812.80 = 460,972.80/x
  3. Step 3: Cross multiply
    474,796.80x = 710,812.80 × 460,972.80
  4. Step 4: Simplify right side
    474,796.80x = 327,665,366,691.84
  5. Step 5: Solve for x
    x = 327,665,366,691.84/474,796.80
  6. Step 6: Final answer
    x = 690,117.05

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1.5x scale

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.