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Finding the Fourth Proportional to 326,640.97, 450,752.79 and 183,407.05

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Solution

The fourth proportional to 326,640.97, 450,752.79 and 183,407.05 is: 253,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,640.97 : 450,752.79 = 183,407.05 : x
  2. Step 2: Convert to fraction form
    326,640.97/450,752.79 = 183,407.05/x
  3. Step 3: Cross multiply
    326,640.97x = 450,752.79 × 183,407.05
  4. Step 4: Simplify right side
    326,640.97x = 82,671,239,493.17
  5. Step 5: Solve for x
    x = 82,671,239,493.17/326,640.97
  6. Step 6: Final answer
    x = 253,095.13

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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.