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Finding the Fourth Proportional to 555,413.64, 832,948.18 and 200,381.52

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Solution

The fourth proportional to 555,413.64, 832,948.18 and 200,381.52 is: 300,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,413.64 : 832,948.18 = 200,381.52 : x
  2. Step 2: Convert to fraction form
    555,413.64/832,948.18 = 200,381.52/x
  3. Step 3: Cross multiply
    555,413.64x = 832,948.18 × 200,381.52
  4. Step 4: Simplify right side
    555,413.64x = 166,907,422,389.63
  5. Step 5: Solve for x
    x = 166,907,422,389.63/555,413.64
  6. Step 6: Final answer
    x = 300,510.13

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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.