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Finding the Fourth Proportional to 451,965.29, 623,710.39 and 248,019.62

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Solution

The fourth proportional to 451,965.29, 623,710.39 and 248,019.62 is: 342,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,965.29 : 623,710.39 = 248,019.62 : x
  2. Step 2: Convert to fraction form
    451,965.29/623,710.39 = 248,019.62/x
  3. Step 3: Cross multiply
    451,965.29x = 623,710.39 × 248,019.62
  4. Step 4: Simplify right side
    451,965.29x = 154,692,412,677.75
  5. Step 5: Solve for x
    x = 154,692,412,677.75/451,965.29
  6. Step 6: Final answer
    x = 342,266.13

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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.