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Finding the Fourth Proportional to 561,752.03, 842,545.13 and 206,683.47

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Solution

The fourth proportional to 561,752.03, 842,545.13 and 206,683.47 is: 309,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,752.03 : 842,545.13 = 206,683.47 : x
  2. Step 2: Convert to fraction form
    561,752.03/842,545.13 = 206,683.47/x
  3. Step 3: Cross multiply
    561,752.03x = 842,545.13 × 206,683.47
  4. Step 4: Simplify right side
    561,752.03x = 174,140,150,066.58
  5. Step 5: Solve for x
    x = 174,140,150,066.58/561,752.03
  6. Step 6: Final answer
    x = 309,994.70

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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.