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Finding the Fourth Proportional to 922,922.10, 1,384,123.95 and 292,029.30

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Solution

The fourth proportional to 922,922.10, 1,384,123.95 and 292,029.30 is: 437,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,922.10 : 1,384,123.95 = 292,029.30 : x
  2. Step 2: Convert to fraction form
    922,922.10/1,384,123.95 = 292,029.30/x
  3. Step 3: Cross multiply
    922,922.10x = 1,384,123.95 × 292,029.30
  4. Step 4: Simplify right side
    922,922.10x = 404,204,748,231.74
  5. Step 5: Solve for x
    x = 404,204,748,231.74/922,922.10
  6. Step 6: Final answer
    x = 437,961.93

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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.