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Finding the Fourth Proportional to 431,468.66, 595,427.40 and 240,477.95

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Solution

The fourth proportional to 431,468.66, 595,427.40 and 240,477.95 is: 331,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,468.66 : 595,427.40 = 240,477.95 : x
  2. Step 2: Convert to fraction form
    431,468.66/595,427.40 = 240,477.95/x
  3. Step 3: Cross multiply
    431,468.66x = 595,427.40 × 240,477.95
  4. Step 4: Simplify right side
    431,468.66x = 143,187,160,525.83
  5. Step 5: Solve for x
    x = 143,187,160,525.83/431,468.66
  6. Step 6: Final answer
    x = 331,859.93

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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.