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Finding the Fourth Proportional to 304,480.60, 456,720.90 and 94,139.80

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Solution

The fourth proportional to 304,480.60, 456,720.90 and 94,139.80 is: 141,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,480.60 : 456,720.90 = 94,139.80 : x
  2. Step 2: Convert to fraction form
    304,480.60/456,720.90 = 94,139.80/x
  3. Step 3: Cross multiply
    304,480.60x = 456,720.90 × 94,139.80
  4. Step 4: Simplify right side
    304,480.60x = 42,995,614,181.82
  5. Step 5: Solve for x
    x = 42,995,614,181.82/304,480.60
  6. Step 6: Final answer
    x = 141,209.70

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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.