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Finding the Fourth Proportional to 325,050.70, 487,576.05 and 207,244.30

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Solution

The fourth proportional to 325,050.70, 487,576.05 and 207,244.30 is: 310,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,050.70 : 487,576.05 = 207,244.30 : x
  2. Step 2: Convert to fraction form
    325,050.70/487,576.05 = 207,244.30/x
  3. Step 3: Cross multiply
    325,050.70x = 487,576.05 × 207,244.30
  4. Step 4: Simplify right side
    325,050.70x = 101,047,357,179.02
  5. Step 5: Solve for x
    x = 101,047,357,179.02/325,050.70
  6. Step 6: Final answer
    x = 310,866.45

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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.