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Finding the Fourth Proportional to 233,145.70, 349,718.55 and 214,774.90

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Solution

The fourth proportional to 233,145.70, 349,718.55 and 214,774.90 is: 322,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,145.70 : 349,718.55 = 214,774.90 : x
  2. Step 2: Convert to fraction form
    233,145.70/349,718.55 = 214,774.90/x
  3. Step 3: Cross multiply
    233,145.70x = 349,718.55 × 214,774.90
  4. Step 4: Simplify right side
    233,145.70x = 75,110,766,604.40
  5. Step 5: Solve for x
    x = 75,110,766,604.40/233,145.70
  6. Step 6: Final answer
    x = 322,162.35

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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.