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Finding the Fourth Proportional to 451,095.19, 622,501.83 and 247,136.17

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Solution

The fourth proportional to 451,095.19, 622,501.83 and 247,136.17 is: 341,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,095.19 : 622,501.83 = 247,136.17 : x
  2. Step 2: Convert to fraction form
    451,095.19/622,501.83 = 247,136.17/x
  3. Step 3: Cross multiply
    451,095.19x = 622,501.83 × 247,136.17
  4. Step 4: Simplify right side
    451,095.19x = 153,842,718,084.19
  5. Step 5: Solve for x
    x = 153,842,718,084.19/451,095.19
  6. Step 6: Final answer
    x = 341,042.69

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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.