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Finding the Fourth Proportional to 260,557, 359,568.78 and 147,377.32

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Solution

The fourth proportional to 260,557, 359,568.78 and 147,377.32 is: 203,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,557 : 359,568.78 = 147,377.32 : x
  2. Step 2: Convert to fraction form
    260,557/359,568.78 = 147,377.32/x
  3. Step 3: Cross multiply
    260,557x = 359,568.78 × 147,377.32
  4. Step 4: Simplify right side
    260,557x = 52,992,283,152.07
  5. Step 5: Solve for x
    x = 52,992,283,152.07/260,557
  6. Step 6: Final answer
    x = 203,380.77

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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.