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Finding the Fourth Proportional to 576,207.45, 795,210.35 and 318,134.16

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Solution

The fourth proportional to 576,207.45, 795,210.35 and 318,134.16 is: 439,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,207.45 : 795,210.35 = 318,134.16 : x
  2. Step 2: Convert to fraction form
    576,207.45/795,210.35 = 318,134.16/x
  3. Step 3: Cross multiply
    576,207.45x = 795,210.35 × 318,134.16
  4. Step 4: Simplify right side
    576,207.45x = 252,983,575,129.89
  5. Step 5: Solve for x
    x = 252,983,575,129.89/576,207.45
  6. Step 6: Final answer
    x = 439,049.47

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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.