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Finding the Fourth Proportional to 555,960.40, 834,862.94 and 346,926.94

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Solution

The fourth proportional to 555,960.40, 834,862.94 and 346,926.94 is: 520,965.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,960.40 : 834,862.94 = 346,926.94 : x
  2. Step 2: Convert to fraction form
    555,960.40/834,862.94 = 346,926.94/x
  3. Step 3: Cross multiply
    555,960.40x = 834,862.94 × 346,926.94
  4. Step 4: Simplify right side
    555,960.40x = 289,636,445,093.60
  5. Step 5: Solve for x
    x = 289,636,445,093.60/555,960.40
  6. Step 6: Final answer
    x = 520,965.96

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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.