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Finding the Fourth Proportional to 437,672.90, 604,162.55 and 376,175.63

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Solution

The fourth proportional to 437,672.90, 604,162.55 and 376,175.63 is: 519,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,672.90 : 604,162.55 = 376,175.63 : x
  2. Step 2: Convert to fraction form
    437,672.90/604,162.55 = 376,175.63/x
  3. Step 3: Cross multiply
    437,672.90x = 604,162.55 × 376,175.63
  4. Step 4: Simplify right side
    437,672.90x = 227,271,227,868.66
  5. Step 5: Solve for x
    x = 227,271,227,868.66/437,672.90
  6. Step 6: Final answer
    x = 519,271.88

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1.5x scale

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.