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Finding the Fourth Proportional to 497,760.60, 746,640.90 and 470,803.80

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Solution

The fourth proportional to 497,760.60, 746,640.90 and 470,803.80 is: 706,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,760.60 : 746,640.90 = 470,803.80 : x
  2. Step 2: Convert to fraction form
    497,760.60/746,640.90 = 470,803.80/x
  3. Step 3: Cross multiply
    497,760.60x = 746,640.90 × 470,803.80
  4. Step 4: Simplify right side
    497,760.60x = 351,521,372,955.42
  5. Step 5: Solve for x
    x = 351,521,372,955.42/497,760.60
  6. Step 6: Final answer
    x = 706,205.70

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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.