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Finding the Fourth Proportional to 589,517.79, 884,448.90 and 190,149.72

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Solution

The fourth proportional to 589,517.79, 884,448.90 and 190,149.72 is: 285,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,517.79 : 884,448.90 = 190,149.72 : x
  2. Step 2: Convert to fraction form
    589,517.79/884,448.90 = 190,149.72/x
  3. Step 3: Cross multiply
    589,517.79x = 884,448.90 × 190,149.72
  4. Step 4: Simplify right side
    589,517.79x = 168,177,710,689.31
  5. Step 5: Solve for x
    x = 168,177,710,689.31/589,517.79
  6. Step 6: Final answer
    x = 285,280.13

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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.