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Finding the Fourth Proportional to 341,660.10, 512,502.30 and 105,002.40

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Solution

The fourth proportional to 341,660.10, 512,502.30 and 105,002.40 is: 157,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,660.10 : 512,502.30 = 105,002.40 : x
  2. Step 2: Convert to fraction form
    341,660.10/512,502.30 = 105,002.40/x
  3. Step 3: Cross multiply
    341,660.10x = 512,502.30 × 105,002.40
  4. Step 4: Simplify right side
    341,660.10x = 53,813,971,505.52
  5. Step 5: Solve for x
    x = 53,813,971,505.52/341,660.10
  6. Step 6: Final answer
    x = 157,507.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.