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Finding the Fourth Proportional to 472,510.80, 708,766.20 and 446,922.90

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Solution

The fourth proportional to 472,510.80, 708,766.20 and 446,922.90 is: 670,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,510.80 : 708,766.20 = 446,922.90 : x
  2. Step 2: Convert to fraction form
    472,510.80/708,766.20 = 446,922.90/x
  3. Step 3: Cross multiply
    472,510.80x = 708,766.20 × 446,922.90
  4. Step 4: Simplify right side
    472,510.80x = 316,763,845,525.98
  5. Step 5: Solve for x
    x = 316,763,845,525.98/472,510.80
  6. Step 6: Final answer
    x = 670,384.35

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Double scale
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Similar ratio
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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.