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Finding the Fourth Proportional to 510,413.01, 765,561.18 and 136,465.17

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Solution

The fourth proportional to 510,413.01, 765,561.18 and 136,465.17 is: 204,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,413.01 : 765,561.18 = 136,465.17 : x
  2. Step 2: Convert to fraction form
    510,413.01/765,561.18 = 136,465.17/x
  3. Step 3: Cross multiply
    510,413.01x = 765,561.18 × 136,465.17
  4. Step 4: Simplify right side
    510,413.01x = 104,472,436,574.10
  5. Step 5: Solve for x
    x = 104,472,436,574.10/510,413.01
  6. Step 6: Final answer
    x = 204,682.16

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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.