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Finding the Fourth Proportional to 552,510.60, 828,683.88 and 153,109.73

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Solution

The fourth proportional to 552,510.60, 828,683.88 and 153,109.73 is: 229,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,510.60 : 828,683.88 = 153,109.73 : x
  2. Step 2: Convert to fraction form
    552,510.60/828,683.88 = 153,109.73/x
  3. Step 3: Cross multiply
    552,510.60x = 828,683.88 × 153,109.73
  4. Step 4: Simplify right side
    552,510.60x = 126,879,565,122.15
  5. Step 5: Solve for x
    x = 126,879,565,122.15/552,510.60
  6. Step 6: Final answer
    x = 229,641.87

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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.