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Finding the Fourth Proportional to 535,901.64, 803,870.82 and 269,516.94

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Solution

The fourth proportional to 535,901.64, 803,870.82 and 269,516.94 is: 404,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,901.64 : 803,870.82 = 269,516.94 : x
  2. Step 2: Convert to fraction form
    535,901.64/803,870.82 = 269,516.94/x
  3. Step 3: Cross multiply
    535,901.64x = 803,870.82 × 269,516.94
  4. Step 4: Simplify right side
    535,901.64x = 216,656,803,561.69
  5. Step 5: Solve for x
    x = 216,656,803,561.69/535,901.64
  6. Step 6: Final answer
    x = 404,284.64

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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.