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Finding the Fourth Proportional to 341,651.60, 512,554.20 and 105,005.20

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Solution

The fourth proportional to 341,651.60, 512,554.20 and 105,005.20 is: 157,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,651.60 : 512,554.20 = 105,005.20 : x
  2. Step 2: Convert to fraction form
    341,651.60/512,554.20 = 105,005.20/x
  3. Step 3: Cross multiply
    341,651.60x = 512,554.20 × 105,005.20
  4. Step 4: Simplify right side
    341,651.60x = 53,820,856,281.84
  5. Step 5: Solve for x
    x = 53,820,856,281.84/341,651.60
  6. Step 6: Final answer
    x = 157,531.40

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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.