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Finding the Fourth Proportional to 341,870.60, 512,805.90 and 117,200.90

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Solution

The fourth proportional to 341,870.60, 512,805.90 and 117,200.90 is: 175,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,870.60 : 512,805.90 = 117,200.90 : x
  2. Step 2: Convert to fraction form
    341,870.60/512,805.90 = 117,200.90/x
  3. Step 3: Cross multiply
    341,870.60x = 512,805.90 × 117,200.90
  4. Step 4: Simplify right side
    341,870.60x = 60,101,313,005.31
  5. Step 5: Solve for x
    x = 60,101,313,005.31/341,870.60
  6. Step 6: Final answer
    x = 175,801.35

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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.