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Finding the Fourth Proportional to 615,269.70, 922,467.15 and 236,043.90

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Solution

The fourth proportional to 615,269.70, 922,467.15 and 236,043.90 is: 353,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,269.70 : 922,467.15 = 236,043.90 : x
  2. Step 2: Convert to fraction form
    615,269.70/922,467.15 = 236,043.90/x
  3. Step 3: Cross multiply
    615,269.70x = 922,467.15 × 236,043.90
  4. Step 4: Simplify right side
    615,269.70x = 217,742,743,707.89
  5. Step 5: Solve for x
    x = 217,742,743,707.89/615,269.70
  6. Step 6: Final answer
    x = 353,898.04

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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.