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Finding the Fourth Proportional to 466,266.47, 643,421.31 and 262,325.97

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Solution

The fourth proportional to 466,266.47, 643,421.31 and 262,325.97 is: 361,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,266.47 : 643,421.31 = 262,325.97 : x
  2. Step 2: Convert to fraction form
    466,266.47/643,421.31 = 262,325.97/x
  3. Step 3: Cross multiply
    466,266.47x = 643,421.31 × 262,325.97
  4. Step 4: Simplify right side
    466,266.47x = 168,786,119,264.42
  5. Step 5: Solve for x
    x = 168,786,119,264.42/466,266.47
  6. Step 6: Final answer
    x = 361,994.98

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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.