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Finding the Fourth Proportional to 253,947.42, 350,450.55 and 146,539.80

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Solution

The fourth proportional to 253,947.42, 350,450.55 and 146,539.80 is: 202,226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,947.42 : 350,450.55 = 146,539.80 : x
  2. Step 2: Convert to fraction form
    253,947.42/350,450.55 = 146,539.80/x
  3. Step 3: Cross multiply
    253,947.42x = 350,450.55 × 146,539.80
  4. Step 4: Simplify right side
    253,947.42x = 51,354,953,506.89
  5. Step 5: Solve for x
    x = 51,354,953,506.89/253,947.42
  6. Step 6: Final answer
    x = 202,226.72

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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.