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Finding the Fourth Proportional to 299,097.20, 448,775.40 and 141,244.40

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Solution

The fourth proportional to 299,097.20, 448,775.40 and 141,244.40 is: 211,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,097.20 : 448,775.40 = 141,244.40 : x
  2. Step 2: Convert to fraction form
    299,097.20/448,775.40 = 141,244.40/x
  3. Step 3: Cross multiply
    299,097.20x = 448,775.40 × 141,244.40
  4. Step 4: Simplify right side
    299,097.20x = 63,387,012,107.76
  5. Step 5: Solve for x
    x = 63,387,012,107.76/299,097.20
  6. Step 6: Final answer
    x = 211,927.80

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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.