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Finding the Fourth Proportional to 545,414.00, 752,705.51 and 300,398.71

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Solution

The fourth proportional to 545,414.00, 752,705.51 and 300,398.71 is: 414,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,414.00 : 752,705.51 = 300,398.71 : x
  2. Step 2: Convert to fraction form
    545,414.00/752,705.51 = 300,398.71/x
  3. Step 3: Cross multiply
    545,414.00x = 752,705.51 × 300,398.71
  4. Step 4: Simplify right side
    545,414.00x = 226,111,760,830.14
  5. Step 5: Solve for x
    x = 226,111,760,830.14/545,414.00
  6. Step 6: Final answer
    x = 414,569.04

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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.