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Finding the Fourth Proportional to 441,606.78, 609,496.86 and 260,307.96

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Solution

The fourth proportional to 441,606.78, 609,496.86 and 260,307.96 is: 359,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,606.78 : 609,496.86 = 260,307.96 : x
  2. Step 2: Convert to fraction form
    441,606.78/609,496.86 = 260,307.96/x
  3. Step 3: Cross multiply
    441,606.78x = 609,496.86 × 260,307.96
  4. Step 4: Simplify right side
    441,606.78x = 158,656,884,253.01
  5. Step 5: Solve for x
    x = 158,656,884,253.01/441,606.78
  6. Step 6: Final answer
    x = 359,271.85

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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.