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Finding the Fourth Proportional to 243,592.96, 335,852.40 and 186,302.56

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Solution

The fourth proportional to 243,592.96, 335,852.40 and 186,302.56 is: 256,863.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,592.96 : 335,852.40 = 186,302.56 : x
  2. Step 2: Convert to fraction form
    243,592.96/335,852.40 = 186,302.56/x
  3. Step 3: Cross multiply
    243,592.96x = 335,852.40 × 186,302.56
  4. Step 4: Simplify right side
    243,592.96x = 62,570,161,902.14
  5. Step 5: Solve for x
    x = 62,570,161,902.14/243,592.96
  6. Step 6: Final answer
    x = 256,863.59

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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.