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Finding the Fourth Proportional to 556,775.31, 835,209.81 and 177,750.12

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Solution

The fourth proportional to 556,775.31, 835,209.81 and 177,750.12 is: 266,640.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,775.31 : 835,209.81 = 177,750.12 : x
  2. Step 2: Convert to fraction form
    556,775.31/835,209.81 = 177,750.12/x
  3. Step 3: Cross multiply
    556,775.31x = 835,209.81 × 177,750.12
  4. Step 4: Simplify right side
    556,775.31x = 148,458,643,952.68
  5. Step 5: Solve for x
    x = 148,458,643,952.68/556,775.31
  6. Step 6: Final answer
    x = 266,640.14

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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.