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Finding the Fourth Proportional to 472,510.80, 708,766.20 and 452,827.80

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Solution

The fourth proportional to 472,510.80, 708,766.20 and 452,827.80 is: 679,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,510.80 : 708,766.20 = 452,827.80 : x
  2. Step 2: Convert to fraction form
    472,510.80/708,766.20 = 452,827.80/x
  3. Step 3: Cross multiply
    472,510.80x = 708,766.20 × 452,827.80
  4. Step 4: Simplify right side
    472,510.80x = 320,949,039,060.36
  5. Step 5: Solve for x
    x = 320,949,039,060.36/472,510.80
  6. Step 6: Final answer
    x = 679,241.70

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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.