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Finding the Fourth Proportional to 357,624, 535,619.52 and 170,766.72

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Solution

The fourth proportional to 357,624, 535,619.52 and 170,766.72 is: 255,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,624 : 535,619.52 = 170,766.72 : x
  2. Step 2: Convert to fraction form
    357,624/535,619.52 = 170,766.72/x
  3. Step 3: Cross multiply
    357,624x = 535,619.52 × 170,766.72
  4. Step 4: Simplify right side
    357,624x = 91,465,988,598.37
  5. Step 5: Solve for x
    x = 91,465,988,598.37/357,624
  6. Step 6: Final answer
    x = 255,760.21

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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.