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Finding the Fourth Proportional to 259,490.87, 358,014.97 and 152,026.55

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Solution

The fourth proportional to 259,490.87, 358,014.97 and 152,026.55 is: 209,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,490.87 : 358,014.97 = 152,026.55 : x
  2. Step 2: Convert to fraction form
    259,490.87/358,014.97 = 152,026.55/x
  3. Step 3: Cross multiply
    259,490.87x = 358,014.97 × 152,026.55
  4. Step 4: Simplify right side
    259,490.87x = 54,427,780,737.45
  5. Step 5: Solve for x
    x = 54,427,780,737.45/259,490.87
  6. Step 6: Final answer
    x = 209,748.35

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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.