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Finding the Fourth Proportional to 576,223.20, 795,232.08 and 318,149.91

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Solution

The fourth proportional to 576,223.20, 795,232.08 and 318,149.91 is: 439,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,223.20 : 795,232.08 = 318,149.91 : x
  2. Step 2: Convert to fraction form
    576,223.20/795,232.08 = 318,149.91/x
  3. Step 3: Cross multiply
    576,223.20x = 795,232.08 × 318,149.91
  4. Step 4: Simplify right side
    576,223.20x = 253,003,014,681.11
  5. Step 5: Solve for x
    x = 253,003,014,681.11/576,223.20
  6. Step 6: Final answer
    x = 439,071.20

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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.