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Finding the Fourth Proportional to 292,424.87, 437,639.29 and 245,093.40

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Solution

The fourth proportional to 292,424.87, 437,639.29 and 245,093.40 is: 366,803.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,424.87 : 437,639.29 = 245,093.40 : x
  2. Step 2: Convert to fraction form
    292,424.87/437,639.29 = 245,093.40/x
  3. Step 3: Cross multiply
    292,424.87x = 437,639.29 × 245,093.40
  4. Step 4: Simplify right side
    292,424.87x = 107,262,500,946.95
  5. Step 5: Solve for x
    x = 107,262,500,946.95/292,424.87
  6. Step 6: Final answer
    x = 366,803.62

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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.