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Finding the Fourth Proportional to 545,906.49, 753,340.86 and 297,550.58

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Solution

The fourth proportional to 545,906.49, 753,340.86 and 297,550.58 is: 410,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,906.49 : 753,340.86 = 297,550.58 : x
  2. Step 2: Convert to fraction form
    545,906.49/753,340.86 = 297,550.58/x
  3. Step 3: Cross multiply
    545,906.49x = 753,340.86 × 297,550.58
  4. Step 4: Simplify right side
    545,906.49x = 224,157,006,064.00
  5. Step 5: Solve for x
    x = 224,157,006,064.00/545,906.49
  6. Step 6: Final answer
    x = 410,614.29

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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.