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Finding the Fourth Proportional to 255,752.82, 352,940.40 and 148,386.78

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Solution

The fourth proportional to 255,752.82, 352,940.40 and 148,386.78 is: 204,774.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,752.82 : 352,940.40 = 148,386.78 : x
  2. Step 2: Convert to fraction form
    255,752.82/352,940.40 = 148,386.78/x
  3. Step 3: Cross multiply
    255,752.82x = 352,940.40 × 148,386.78
  4. Step 4: Simplify right side
    255,752.82x = 52,371,689,487.91
  5. Step 5: Solve for x
    x = 52,371,689,487.91/255,752.82
  6. Step 6: Final answer
    x = 204,774.63

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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.