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Finding the Fourth Proportional to 235,440.63, 350,943 and 216,544.95

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Solution

The fourth proportional to 235,440.63, 350,943 and 216,544.95 is: 322,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,440.63 : 350,943 = 216,544.95 : x
  2. Step 2: Convert to fraction form
    235,440.63/350,943 = 216,544.95/x
  3. Step 3: Cross multiply
    235,440.63x = 350,943 × 216,544.95
  4. Step 4: Simplify right side
    235,440.63x = 75,994,934,387.85
  5. Step 5: Solve for x
    x = 75,994,934,387.85/235,440.63
  6. Step 6: Final answer
    x = 322,777.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.