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Finding the Fourth Proportional to 366,904.65, 550,356.98 and 156,952.65

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Solution

The fourth proportional to 366,904.65, 550,356.98 and 156,952.65 is: 235,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,904.65 : 550,356.98 = 156,952.65 : x
  2. Step 2: Convert to fraction form
    366,904.65/550,356.98 = 156,952.65/x
  3. Step 3: Cross multiply
    366,904.65x = 550,356.98 × 156,952.65
  4. Step 4: Simplify right side
    366,904.65x = 86,379,985,672.23
  5. Step 5: Solve for x
    x = 86,379,985,672.23/366,904.65
  6. Step 6: Final answer
    x = 235,428.98

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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.