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Finding the Fourth Proportional to 346,684.73, 478,472.44 and 199,506.56

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Solution

The fourth proportional to 346,684.73, 478,472.44 and 199,506.56 is: 275,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,684.73 : 478,472.44 = 199,506.56 : x
  2. Step 2: Convert to fraction form
    346,684.73/478,472.44 = 199,506.56/x
  3. Step 3: Cross multiply
    346,684.73x = 478,472.44 × 199,506.56
  4. Step 4: Simplify right side
    346,684.73x = 95,458,392,254.15
  5. Step 5: Solve for x
    x = 95,458,392,254.15/346,684.73
  6. Step 6: Final answer
    x = 275,346.40

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1.5x scale

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.