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Finding the Fourth Proportional to 328,902.48, 453,886.86 and 177,999.48

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Solution

The fourth proportional to 328,902.48, 453,886.86 and 177,999.48 is: 245,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,902.48 : 453,886.86 = 177,999.48 : x
  2. Step 2: Convert to fraction form
    328,902.48/453,886.86 = 177,999.48/x
  3. Step 3: Cross multiply
    328,902.48x = 453,886.86 × 177,999.48
  4. Step 4: Simplify right side
    328,902.48x = 80,791,625,058.83
  5. Step 5: Solve for x
    x = 80,791,625,058.83/328,902.48
  6. Step 6: Final answer
    x = 245,640.06

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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.