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Finding the Fourth Proportional to 304,206.91, 456,275.50 and 79,589.01

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Solution

The fourth proportional to 304,206.91, 456,275.50 and 79,589.01 is: 119,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,206.91 : 456,275.50 = 79,589.01 : x
  2. Step 2: Convert to fraction form
    304,206.91/456,275.50 = 79,589.01/x
  3. Step 3: Cross multiply
    304,206.91x = 456,275.50 × 79,589.01
  4. Step 4: Simplify right side
    304,206.91x = 36,314,516,844.32
  5. Step 5: Solve for x
    x = 36,314,516,844.32/304,206.91
  6. Step 6: Final answer
    x = 119,374.40

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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.