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Finding the Fourth Proportional to 370,776.92, 556,330.80 and 170,990.08

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Solution

The fourth proportional to 370,776.92, 556,330.80 and 170,990.08 is: 256,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,776.92 : 556,330.80 = 170,990.08 : x
  2. Step 2: Convert to fraction form
    370,776.92/556,330.80 = 170,990.08/x
  3. Step 3: Cross multiply
    370,776.92x = 556,330.80 × 170,990.08
  4. Step 4: Simplify right side
    370,776.92x = 95,127,047,998.46
  5. Step 5: Solve for x
    x = 95,127,047,998.46/370,776.92
  6. Step 6: Final answer
    x = 256,561.41

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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.