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Finding the Fourth Proportional to 535,924.01, 803,274.50 and 215,870.92

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Solution

The fourth proportional to 535,924.01, 803,274.50 and 215,870.92 is: 323,560.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,924.01 : 803,274.50 = 215,870.92 : x
  2. Step 2: Convert to fraction form
    535,924.01/803,274.50 = 215,870.92/x
  3. Step 3: Cross multiply
    535,924.01x = 803,274.50 × 215,870.92
  4. Step 4: Simplify right side
    535,924.01x = 173,403,603,859.03
  5. Step 5: Solve for x
    x = 173,403,603,859.03/535,924.01
  6. Step 6: Final answer
    x = 323,560.06

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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.