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Finding the Fourth Proportional to 303,432.60, 418,500.37 and 194,547.33

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Solution

The fourth proportional to 303,432.60, 418,500.37 and 194,547.33 is: 268,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,432.60 : 418,500.37 = 194,547.33 : x
  2. Step 2: Convert to fraction form
    303,432.60/418,500.37 = 194,547.33/x
  3. Step 3: Cross multiply
    303,432.60x = 418,500.37 × 194,547.33
  4. Step 4: Simplify right side
    303,432.60x = 81,418,130,670.52
  5. Step 5: Solve for x
    x = 81,418,130,670.52/303,432.60
  6. Step 6: Final answer
    x = 268,323.61

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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.