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Finding the Fourth Proportional to 304,115.60, 456,130.20 and 93,774.80

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Solution

The fourth proportional to 304,115.60, 456,130.20 and 93,774.80 is: 140,648.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,115.60 : 456,130.20 = 93,774.80 : x
  2. Step 2: Convert to fraction form
    304,115.60/456,130.20 = 93,774.80/x
  3. Step 3: Cross multiply
    304,115.60x = 456,130.20 × 93,774.80
  4. Step 4: Simplify right side
    304,115.60x = 42,773,518,278.96
  5. Step 5: Solve for x
    x = 42,773,518,278.96/304,115.60
  6. Step 6: Final answer
    x = 140,648.88

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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.