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Finding the Fourth Proportional to 453,442.32, 625,238.91 and 349,840.53

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Solution

The fourth proportional to 453,442.32, 625,238.91 and 349,840.53 is: 482,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,442.32 : 625,238.91 = 349,840.53 : x
  2. Step 2: Convert to fraction form
    453,442.32/625,238.91 = 349,840.53/x
  3. Step 3: Cross multiply
    453,442.32x = 625,238.91 × 349,840.53
  4. Step 4: Simplify right side
    453,442.32x = 218,733,911,651.02
  5. Step 5: Solve for x
    x = 218,733,911,651.02/453,442.32
  6. Step 6: Final answer
    x = 482,385.30

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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.