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Finding the Fourth Proportional to 577,616.16, 866,055.52 and 277,499.68

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Solution

The fourth proportional to 577,616.16, 866,055.52 and 277,499.68 is: 416,072.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,616.16 : 866,055.52 = 277,499.68 : x
  2. Step 2: Convert to fraction form
    577,616.16/866,055.52 = 277,499.68/x
  3. Step 3: Cross multiply
    577,616.16x = 866,055.52 × 277,499.68
  4. Step 4: Simplify right side
    577,616.16x = 240,330,129,662.23
  5. Step 5: Solve for x
    x = 240,330,129,662.23/577,616.16
  6. Step 6: Final answer
    x = 416,072.38

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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.