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Finding the Fourth Proportional to 556,799.54, 768,385.37 and 302,150.66

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Solution

The fourth proportional to 556,799.54, 768,385.37 and 302,150.66 is: 416,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,799.54 : 768,385.37 = 302,150.66 : x
  2. Step 2: Convert to fraction form
    556,799.54/768,385.37 = 302,150.66/x
  3. Step 3: Cross multiply
    556,799.54x = 768,385.37 × 302,150.66
  4. Step 4: Simplify right side
    556,799.54x = 232,168,143,593.29
  5. Step 5: Solve for x
    x = 232,168,143,593.29/556,799.54
  6. Step 6: Final answer
    x = 416,969.00

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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.