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Finding the Fourth Proportional to 261,259.53, 360,204.20 and 169,216.39

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Solution

The fourth proportional to 261,259.53, 360,204.20 and 169,216.39 is: 233,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,259.53 : 360,204.20 = 169,216.39 : x
  2. Step 2: Convert to fraction form
    261,259.53/360,204.20 = 169,216.39/x
  3. Step 3: Cross multiply
    261,259.53x = 360,204.20 × 169,216.39
  4. Step 4: Simplify right side
    261,259.53x = 60,952,454,268.63
  5. Step 5: Solve for x
    x = 60,952,454,268.63/261,259.53
  6. Step 6: Final answer
    x = 233,302.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.