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Finding the Fourth Proportional to 261,250.76, 360,559.40 and 153,830.76

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Solution

The fourth proportional to 261,250.76, 360,559.40 and 153,830.76 is: 212,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,250.76 : 360,559.40 = 153,830.76 : x
  2. Step 2: Convert to fraction form
    261,250.76/360,559.40 = 153,830.76/x
  3. Step 3: Cross multiply
    261,250.76x = 360,559.40 × 153,830.76
  4. Step 4: Simplify right side
    261,250.76x = 55,465,125,757.99
  5. Step 5: Solve for x
    x = 55,465,125,757.99/261,250.76
  6. Step 6: Final answer
    x = 212,306.09

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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.