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Finding the Fourth Proportional to 545,087.52, 817,569.00 and 145,759.44

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Solution

The fourth proportional to 545,087.52, 817,569.00 and 145,759.44 is: 218,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,087.52 : 817,569.00 = 145,759.44 : x
  2. Step 2: Convert to fraction form
    545,087.52/817,569.00 = 145,759.44/x
  3. Step 3: Cross multiply
    545,087.52x = 817,569.00 × 145,759.44
  4. Step 4: Simplify right side
    545,087.52x = 119,168,394,784.72
  5. Step 5: Solve for x
    x = 119,168,394,784.72/545,087.52
  6. Step 6: Final answer
    x = 218,622.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.