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Finding the Fourth Proportional to 487,856.60, 732,245.70 and 301,232.60

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Solution

The fourth proportional to 487,856.60, 732,245.70 and 301,232.60 is: 452,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,856.60 : 732,245.70 = 301,232.60 : x
  2. Step 2: Convert to fraction form
    487,856.60/732,245.70 = 301,232.60/x
  3. Step 3: Cross multiply
    487,856.60x = 732,245.70 × 301,232.60
  4. Step 4: Simplify right side
    487,856.60x = 220,576,276,049.82
  5. Step 5: Solve for x
    x = 220,576,276,049.82/487,856.60
  6. Step 6: Final answer
    x = 452,133.43

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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.