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Finding the Fourth Proportional to 522,937.52, 784,555.36 and 256,774.80

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Solution

The fourth proportional to 522,937.52, 784,555.36 and 256,774.80 is: 385,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,937.52 : 784,555.36 = 256,774.80 : x
  2. Step 2: Convert to fraction form
    522,937.52/784,555.36 = 256,774.80/x
  3. Step 3: Cross multiply
    522,937.52x = 784,555.36 × 256,774.80
  4. Step 4: Simplify right side
    522,937.52x = 201,454,045,652.93
  5. Step 5: Solve for x
    x = 201,454,045,652.93/522,937.52
  6. Step 6: Final answer
    x = 385,235.40

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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.