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Finding the Fourth Proportional to 304,683.79, 456,973.75 and 91,393.88

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Solution

The fourth proportional to 304,683.79, 456,973.75 and 91,393.88 is: 137,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,683.79 : 456,973.75 = 91,393.88 : x
  2. Step 2: Convert to fraction form
    304,683.79/456,973.75 = 91,393.88/x
  3. Step 3: Cross multiply
    304,683.79x = 456,973.75 × 91,393.88
  4. Step 4: Simplify right side
    304,683.79x = 41,764,604,070.65
  5. Step 5: Solve for x
    x = 41,764,604,070.65/304,683.79
  6. Step 6: Final answer
    x = 137,075.24

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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.