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Finding the Fourth Proportional to 240,618.84, 332,006.94 and 151,143

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Solution

The fourth proportional to 240,618.84, 332,006.94 and 151,143 is: 208,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,618.84 : 332,006.94 = 151,143 : x
  2. Step 2: Convert to fraction form
    240,618.84/332,006.94 = 151,143/x
  3. Step 3: Cross multiply
    240,618.84x = 332,006.94 × 151,143
  4. Step 4: Simplify right side
    240,618.84x = 50,180,524,932.42
  5. Step 5: Solve for x
    x = 50,180,524,932.42/240,618.84
  6. Step 6: Final answer
    x = 208,547.78

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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.