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Finding the Fourth Proportional to 299,377.02, 413,152.47 and 163,420.14

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Solution

The fourth proportional to 299,377.02, 413,152.47 and 163,420.14 is: 225,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,377.02 : 413,152.47 = 163,420.14 : x
  2. Step 2: Convert to fraction form
    299,377.02/413,152.47 = 163,420.14/x
  3. Step 3: Cross multiply
    299,377.02x = 413,152.47 × 163,420.14
  4. Step 4: Simplify right side
    299,377.02x = 67,517,434,488.75
  5. Step 5: Solve for x
    x = 67,517,434,488.75/299,377.02
  6. Step 6: Final answer
    x = 225,526.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.