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Finding the Fourth Proportional to 261,412.29, 360,747.95 and 146,690.67

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Solution

The fourth proportional to 261,412.29, 360,747.95 and 146,690.67 is: 202,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,412.29 : 360,747.95 = 146,690.67 : x
  2. Step 2: Convert to fraction form
    261,412.29/360,747.95 = 146,690.67/x
  3. Step 3: Cross multiply
    261,412.29x = 360,747.95 × 146,690.67
  4. Step 4: Simplify right side
    261,412.29x = 52,918,359,329.08
  5. Step 5: Solve for x
    x = 52,918,359,329.08/261,412.29
  6. Step 6: Final answer
    x = 202,432.56

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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.