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Finding the Fourth Proportional to 922,606.20, 1,384,103.70 and 291,583.80

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Solution

The fourth proportional to 922,606.20, 1,384,103.70 and 291,583.80 is: 437,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,606.20 : 1,384,103.70 = 291,583.80 : x
  2. Step 2: Convert to fraction form
    922,606.20/1,384,103.70 = 291,583.80/x
  3. Step 3: Cross multiply
    922,606.20x = 1,384,103.70 × 291,583.80
  4. Step 4: Simplify right side
    922,606.20x = 403,582,216,440.06
  5. Step 5: Solve for x
    x = 403,582,216,440.06/922,606.20
  6. Step 6: Final answer
    x = 437,437.14

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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.