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Finding the Fourth Proportional to 480,752.96, 663,413.04 and 265,880.48

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Solution

The fourth proportional to 480,752.96, 663,413.04 and 265,880.48 is: 366,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,752.96 : 663,413.04 = 265,880.48 : x
  2. Step 2: Convert to fraction form
    480,752.96/663,413.04 = 265,880.48/x
  3. Step 3: Cross multiply
    480,752.96x = 663,413.04 × 265,880.48
  4. Step 4: Simplify right side
    480,752.96x = 176,388,577,513.46
  5. Step 5: Solve for x
    x = 176,388,577,513.46/480,752.96
  6. Step 6: Final answer
    x = 366,900.66

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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.