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Finding the Fourth Proportional to 550,352.40, 825,643.80 and 176,413.20

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Solution

The fourth proportional to 550,352.40, 825,643.80 and 176,413.20 is: 264,656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,352.40 : 825,643.80 = 176,413.20 : x
  2. Step 2: Convert to fraction form
    550,352.40/825,643.80 = 176,413.20/x
  3. Step 3: Cross multiply
    550,352.40x = 825,643.80 × 176,413.20
  4. Step 4: Simplify right side
    550,352.40x = 145,654,464,818.16
  5. Step 5: Solve for x
    x = 145,654,464,818.16/550,352.40
  6. Step 6: Final answer
    x = 264,656.73

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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.