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Finding the Fourth Proportional to 477,632.80, 716,449.20 and 337,664.80

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Solution

The fourth proportional to 477,632.80, 716,449.20 and 337,664.80 is: 506,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,632.80 : 716,449.20 = 337,664.80 : x
  2. Step 2: Convert to fraction form
    477,632.80/716,449.20 = 337,664.80/x
  3. Step 3: Cross multiply
    477,632.80x = 716,449.20 × 337,664.80
  4. Step 4: Simplify right side
    477,632.80x = 241,919,675,828.16
  5. Step 5: Solve for x
    x = 241,919,675,828.16/477,632.80
  6. Step 6: Final answer
    x = 506,497.20

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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.