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Finding the Fourth Proportional to 556,639.89, 835,095.84 and 177,560.69

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Solution

The fourth proportional to 556,639.89, 835,095.84 and 177,560.69 is: 266,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,639.89 : 835,095.84 = 177,560.69 : x
  2. Step 2: Convert to fraction form
    556,639.89/835,095.84 = 177,560.69/x
  3. Step 3: Cross multiply
    556,639.89x = 835,095.84 × 177,560.69
  4. Step 4: Simplify right side
    556,639.89x = 148,280,189,391.05
  5. Step 5: Solve for x
    x = 148,280,189,391.05/556,639.89
  6. Step 6: Final answer
    x = 266,384.41

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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.