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Finding the Fourth Proportional to 303,392.58, 418,444.92 and 194,507.10

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Solution

The fourth proportional to 303,392.58, 418,444.92 and 194,507.10 is: 268,267.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,392.58 : 418,444.92 = 194,507.10 : x
  2. Step 2: Convert to fraction form
    303,392.58/418,444.92 = 194,507.10/x
  3. Step 3: Cross multiply
    303,392.58x = 418,444.92 × 194,507.10
  4. Step 4: Simplify right side
    303,392.58x = 81,390,507,898.93
  5. Step 5: Solve for x
    x = 81,390,507,898.93/303,392.58
  6. Step 6: Final answer
    x = 268,267.96

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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.