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Finding the Fourth Proportional to 403,263.64, 604,488.84 and 253,610.88

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Solution

The fourth proportional to 403,263.64, 604,488.84 and 253,610.88 is: 380,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,263.64 : 604,488.84 = 253,610.88 : x
  2. Step 2: Convert to fraction form
    403,263.64/604,488.84 = 253,610.88/x
  3. Step 3: Cross multiply
    403,263.64x = 604,488.84 × 253,610.88
  4. Step 4: Simplify right side
    403,263.64x = 153,304,946,662.58
  5. Step 5: Solve for x
    x = 153,304,946,662.58/403,263.64
  6. Step 6: Final answer
    x = 380,160.60

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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.