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Finding the Fourth Proportional to 516,884.48, 775,326.72 and 284,887.04

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Solution

The fourth proportional to 516,884.48, 775,326.72 and 284,887.04 is: 427,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,884.48 : 775,326.72 = 284,887.04 : x
  2. Step 2: Convert to fraction form
    516,884.48/775,326.72 = 284,887.04/x
  3. Step 3: Cross multiply
    516,884.48x = 775,326.72 × 284,887.04
  4. Step 4: Simplify right side
    516,884.48x = 220,880,534,293.71
  5. Step 5: Solve for x
    x = 220,880,534,293.71/516,884.48
  6. Step 6: Final answer
    x = 427,330.56

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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.