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Finding the Fourth Proportional to 261,140.47, 360,241.22 and 170,549.46

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Solution

The fourth proportional to 261,140.47, 360,241.22 and 170,549.46 is: 235,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,140.47 : 360,241.22 = 170,549.46 : x
  2. Step 2: Convert to fraction form
    261,140.47/360,241.22 = 170,549.46/x
  3. Step 3: Cross multiply
    261,140.47x = 360,241.22 × 170,549.46
  4. Step 4: Simplify right side
    261,140.47x = 61,438,945,967.11
  5. Step 5: Solve for x
    x = 61,438,945,967.11/261,140.47
  6. Step 6: Final answer
    x = 235,271.64

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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.