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Finding the Fourth Proportional to 503,722.60, 756,167.10 and 304,268.20

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Solution

The fourth proportional to 503,722.60, 756,167.10 and 304,268.20 is: 456,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,722.60 : 756,167.10 = 304,268.20 : x
  2. Step 2: Convert to fraction form
    503,722.60/756,167.10 = 304,268.20/x
  3. Step 3: Cross multiply
    503,722.60x = 756,167.10 × 304,268.20
  4. Step 4: Simplify right side
    503,722.60x = 230,077,602,416.22
  5. Step 5: Solve for x
    x = 230,077,602,416.22/503,722.60
  6. Step 6: Final answer
    x = 456,754.58

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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.