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Finding the Fourth Proportional to 803,203.29, 1,108,413.99 and 435,679.52

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Solution

The fourth proportional to 803,203.29, 1,108,413.99 and 435,679.52 is: 601,234.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,203.29 : 1,108,413.99 = 435,679.52 : x
  2. Step 2: Convert to fraction form
    803,203.29/1,108,413.99 = 435,679.52/x
  3. Step 3: Cross multiply
    803,203.29x = 1,108,413.99 × 435,679.52
  4. Step 4: Simplify right side
    803,203.29x = 482,913,269,582.42
  5. Step 5: Solve for x
    x = 482,913,269,582.42/803,203.29
  6. Step 6: Final answer
    x = 601,234.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.