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Finding the Fourth Proportional to 304,074.60, 456,111.90 and 146,221.80

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Solution

The fourth proportional to 304,074.60, 456,111.90 and 146,221.80 is: 219,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,074.60 : 456,111.90 = 146,221.80 : x
  2. Step 2: Convert to fraction form
    304,074.60/456,111.90 = 146,221.80/x
  3. Step 3: Cross multiply
    304,074.60x = 456,111.90 × 146,221.80
  4. Step 4: Simplify right side
    304,074.60x = 66,693,503,019.42
  5. Step 5: Solve for x
    x = 66,693,503,019.42/304,074.60
  6. Step 6: Final answer
    x = 219,332.70

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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.