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Finding the Fourth Proportional to 488,762.61, 732,964.09 and 168,833.06

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Solution

The fourth proportional to 488,762.61, 732,964.09 and 168,833.06 is: 253,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,762.61 : 732,964.09 = 168,833.06 : x
  2. Step 2: Convert to fraction form
    488,762.61/732,964.09 = 168,833.06/x
  3. Step 3: Cross multiply
    488,762.61x = 732,964.09 × 168,833.06
  4. Step 4: Simplify right side
    488,762.61x = 123,748,569,340.65
  5. Step 5: Solve for x
    x = 123,748,569,340.65/488,762.61
  6. Step 6: Final answer
    x = 253,187.47

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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.