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Finding the Fourth Proportional to 299,888.82, 413,849.35 and 170,825.45

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Solution

The fourth proportional to 299,888.82, 413,849.35 and 170,825.45 is: 235,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,888.82 : 413,849.35 = 170,825.45 : x
  2. Step 2: Convert to fraction form
    299,888.82/413,849.35 = 170,825.45/x
  3. Step 3: Cross multiply
    299,888.82x = 413,849.35 × 170,825.45
  4. Step 4: Simplify right side
    299,888.82x = 70,696,001,445.96
  5. Step 5: Solve for x
    x = 70,696,001,445.96/299,888.82
  6. Step 6: Final answer
    x = 235,740.70

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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.