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Finding the Fourth Proportional to 370,779.92, 556,335.30 and 170,993.06

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Solution

The fourth proportional to 370,779.92, 556,335.30 and 170,993.06 is: 256,565.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,779.92 : 556,335.30 = 170,993.06 : x
  2. Step 2: Convert to fraction form
    370,779.92/556,335.30 = 170,993.06/x
  3. Step 3: Cross multiply
    370,779.92x = 556,335.30 × 170,993.06
  4. Step 4: Simplify right side
    370,779.92x = 95,129,475,333.02
  5. Step 5: Solve for x
    x = 95,129,475,333.02/370,779.92
  6. Step 6: Final answer
    x = 256,565.88

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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.