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Finding the Fourth Proportional to 343,205.60, 514,905.60 and 106,572.20

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Solution

The fourth proportional to 343,205.60, 514,905.60 and 106,572.20 is: 159,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,205.60 : 514,905.60 = 106,572.20 : x
  2. Step 2: Convert to fraction form
    343,205.60/514,905.60 = 106,572.20/x
  3. Step 3: Cross multiply
    343,205.60x = 514,905.60 × 106,572.20
  4. Step 4: Simplify right side
    343,205.60x = 54,874,622,584.32
  5. Step 5: Solve for x
    x = 54,874,622,584.32/343,205.60
  6. Step 6: Final answer
    x = 159,888.48

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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.