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Finding the Fourth Proportional to 586,275.32, 879,447.84 and 226,448.90

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Solution

The fourth proportional to 586,275.32, 879,447.84 and 226,448.90 is: 339,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,275.32 : 879,447.84 = 226,448.90 : x
  2. Step 2: Convert to fraction form
    586,275.32/879,447.84 = 226,448.90/x
  3. Step 3: Cross multiply
    586,275.32x = 879,447.84 × 226,448.90
  4. Step 4: Simplify right side
    586,275.32x = 199,149,990,445.89
  5. Step 5: Solve for x
    x = 199,149,990,445.89/586,275.32
  6. Step 6: Final answer
    x = 339,686.81

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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.