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Finding the Fourth Proportional to 552,510.35, 828,683.51 and 153,109.47

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Solution

The fourth proportional to 552,510.35, 828,683.51 and 153,109.47 is: 229,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,510.35 : 828,683.51 = 153,109.47 : x
  2. Step 2: Convert to fraction form
    552,510.35/828,683.51 = 153,109.47/x
  3. Step 3: Cross multiply
    552,510.35x = 828,683.51 × 153,109.47
  4. Step 4: Simplify right side
    552,510.35x = 126,879,296,217.10
  5. Step 5: Solve for x
    x = 126,879,296,217.10/552,510.35
  6. Step 6: Final answer
    x = 229,641.48

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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.