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Finding the Fourth Proportional to 253,788.57, 350,228.16 and 151,818.33

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Solution

The fourth proportional to 253,788.57, 350,228.16 and 151,818.33 is: 209,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,788.57 : 350,228.16 = 151,818.33 : x
  2. Step 2: Convert to fraction form
    253,788.57/350,228.16 = 151,818.33/x
  3. Step 3: Cross multiply
    253,788.57x = 350,228.16 × 151,818.33
  4. Step 4: Simplify right side
    253,788.57x = 53,171,054,370.17
  5. Step 5: Solve for x
    x = 53,171,054,370.17/253,788.57
  6. Step 6: Final answer
    x = 209,509.26

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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.