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Finding the Fourth Proportional to 469,409.30, 702,947.55 and 376,097.30

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Solution

The fourth proportional to 469,409.30, 702,947.55 and 376,097.30 is: 563,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,409.30 : 702,947.55 = 376,097.30 : x
  2. Step 2: Convert to fraction form
    469,409.30/702,947.55 = 376,097.30/x
  3. Step 3: Cross multiply
    469,409.30x = 702,947.55 × 376,097.30
  4. Step 4: Simplify right side
    469,409.30x = 264,376,675,596.62
  5. Step 5: Solve for x
    x = 264,376,675,596.62/469,409.30
  6. Step 6: Final answer
    x = 563,211.41

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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.