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Finding the Fourth Proportional to 299,657.25, 413,527.01 and 172,330.11

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Solution

The fourth proportional to 299,657.25, 413,527.01 and 172,330.11 is: 237,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,657.25 : 413,527.01 = 172,330.11 : x
  2. Step 2: Convert to fraction form
    299,657.25/413,527.01 = 172,330.11/x
  3. Step 3: Cross multiply
    299,657.25x = 413,527.01 × 172,330.11
  4. Step 4: Simplify right side
    299,657.25x = 71,263,154,259.62
  5. Step 5: Solve for x
    x = 71,263,154,259.62/299,657.25
  6. Step 6: Final answer
    x = 237,815.55

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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.