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Finding the Fourth Proportional to 574,591.46, 792,928.71 and 316,463.49

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Solution

The fourth proportional to 574,591.46, 792,928.71 and 316,463.49 is: 436,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,591.46 : 792,928.71 = 316,463.49 : x
  2. Step 2: Convert to fraction form
    574,591.46/792,928.71 = 316,463.49/x
  3. Step 3: Cross multiply
    574,591.46x = 792,928.71 × 316,463.49
  4. Step 4: Simplify right side
    574,591.46x = 250,932,986,887.80
  5. Step 5: Solve for x
    x = 250,932,986,887.80/574,591.46
  6. Step 6: Final answer
    x = 436,715.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.