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Finding the Fourth Proportional to 304,768.60, 457,152.90 and 83,152.60

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Solution

The fourth proportional to 304,768.60, 457,152.90 and 83,152.60 is: 124,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,768.60 : 457,152.90 = 83,152.60 : x
  2. Step 2: Convert to fraction form
    304,768.60/457,152.90 = 83,152.60/x
  3. Step 3: Cross multiply
    304,768.60x = 457,152.90 × 83,152.60
  4. Step 4: Simplify right side
    304,768.60x = 38,013,452,232.54
  5. Step 5: Solve for x
    x = 38,013,452,232.54/304,768.60
  6. Step 6: Final answer
    x = 124,728.90

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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.