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Finding the Fourth Proportional to 363,437.12, 544,922.40 and 238,632.32

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Solution

The fourth proportional to 363,437.12, 544,922.40 and 238,632.32 is: 357,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,437.12 : 544,922.40 = 238,632.32 : x
  2. Step 2: Convert to fraction form
    363,437.12/544,922.40 = 238,632.32/x
  3. Step 3: Cross multiply
    363,437.12x = 544,922.40 × 238,632.32
  4. Step 4: Simplify right side
    363,437.12x = 130,036,096,531.97
  5. Step 5: Solve for x
    x = 130,036,096,531.97/363,437.12
  6. Step 6: Final answer
    x = 357,795.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.