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Finding the Fourth Proportional to 246,643.70, 369,965.55 and 146,851.70

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Solution

The fourth proportional to 246,643.70, 369,965.55 and 146,851.70 is: 220,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,643.70 : 369,965.55 = 146,851.70 : x
  2. Step 2: Convert to fraction form
    246,643.70/369,965.55 = 146,851.70/x
  3. Step 3: Cross multiply
    246,643.70x = 369,965.55 × 146,851.70
  4. Step 4: Simplify right side
    246,643.70x = 54,330,069,958.94
  5. Step 5: Solve for x
    x = 54,330,069,958.94/246,643.70
  6. Step 6: Final answer
    x = 220,277.55

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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.