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Finding the Fourth Proportional to 562,269.96, 843,421.08 and 220,699.18

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Solution

The fourth proportional to 562,269.96, 843,421.08 and 220,699.18 is: 331,055.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,269.96 : 843,421.08 = 220,699.18 : x
  2. Step 2: Convert to fraction form
    562,269.96/843,421.08 = 220,699.18/x
  3. Step 3: Cross multiply
    562,269.96x = 843,421.08 × 220,699.18
  4. Step 4: Simplify right side
    562,269.96x = 186,142,340,750.71
  5. Step 5: Solve for x
    x = 186,142,340,750.71/562,269.96
  6. Step 6: Final answer
    x = 331,055.11

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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.