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Finding the Fourth Proportional to 304,417.76, 456,653.51 and 79,777.31

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Solution

The fourth proportional to 304,417.76, 456,653.51 and 79,777.31 is: 119,673.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,417.76 : 456,653.51 = 79,777.31 : x
  2. Step 2: Convert to fraction form
    304,417.76/456,653.51 = 79,777.31/x
  3. Step 3: Cross multiply
    304,417.76x = 456,653.51 × 79,777.31
  4. Step 4: Simplify right side
    304,417.76x = 36,430,585,947.70
  5. Step 5: Solve for x
    x = 36,430,585,947.70/304,417.76
  6. Step 6: Final answer
    x = 119,673.00

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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.