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Finding the Fourth Proportional to 541,660.16, 747,489.12 and 303,196.16

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Solution

The fourth proportional to 541,660.16, 747,489.12 and 303,196.16 is: 418,409.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,660.16 : 747,489.12 = 303,196.16 : x
  2. Step 2: Convert to fraction form
    541,660.16/747,489.12 = 303,196.16/x
  3. Step 3: Cross multiply
    541,660.16x = 747,489.12 × 303,196.16
  4. Step 4: Simplify right side
    541,660.16x = 226,635,830,825.78
  5. Step 5: Solve for x
    x = 226,635,830,825.78/541,660.16
  6. Step 6: Final answer
    x = 418,409.64

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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.