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Finding the Fourth Proportional to 480,413.71, 662,942.10 and 265,540.96

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Solution

The fourth proportional to 480,413.71, 662,942.10 and 265,540.96 is: 366,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,413.71 : 662,942.10 = 265,540.96 : x
  2. Step 2: Convert to fraction form
    480,413.71/662,942.10 = 265,540.96/x
  3. Step 3: Cross multiply
    480,413.71x = 662,942.10 × 265,540.96
  4. Step 4: Simplify right side
    480,413.71x = 176,038,281,658.42
  5. Step 5: Solve for x
    x = 176,038,281,658.42/480,413.71
  6. Step 6: Final answer
    x = 366,430.60

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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.