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Finding the Fourth Proportional to 299,095.20, 448,772.40 and 141,242.40

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Solution

The fourth proportional to 299,095.20, 448,772.40 and 141,242.40 is: 211,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,095.20 : 448,772.40 = 141,242.40 : x
  2. Step 2: Convert to fraction form
    299,095.20/448,772.40 = 141,242.40/x
  3. Step 3: Cross multiply
    299,095.20x = 448,772.40 × 141,242.40
  4. Step 4: Simplify right side
    299,095.20x = 63,385,690,829.76
  5. Step 5: Solve for x
    x = 63,385,690,829.76/299,095.20
  6. Step 6: Final answer
    x = 211,924.80

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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.