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Finding the Fourth Proportional to 535,656.38, 803,709.88 and 333,421.58

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Solution

The fourth proportional to 535,656.38, 803,709.88 and 333,421.58 is: 500,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,656.38 : 803,709.88 = 333,421.58 : x
  2. Step 2: Convert to fraction form
    535,656.38/803,709.88 = 333,421.58/x
  3. Step 3: Cross multiply
    535,656.38x = 803,709.88 × 333,421.58
  4. Step 4: Simplify right side
    535,656.38x = 267,974,219,226.93
  5. Step 5: Solve for x
    x = 267,974,219,226.93/535,656.38
  6. Step 6: Final answer
    x = 500,272.62

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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.