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Finding the Fourth Proportional to 451,656, 623,278.08 and 247,711.68

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Solution

The fourth proportional to 451,656, 623,278.08 and 247,711.68 is: 341,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,656 : 623,278.08 = 247,711.68 : x
  2. Step 2: Convert to fraction form
    451,656/623,278.08 = 247,711.68/x
  3. Step 3: Cross multiply
    451,656x = 623,278.08 × 247,711.68
  4. Step 4: Simplify right side
    451,656x = 154,393,260,303.97
  5. Step 5: Solve for x
    x = 154,393,260,303.97/451,656
  6. Step 6: Final answer
    x = 341,838.17

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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.