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Finding the Fourth Proportional to 615,465.85, 923,602.44 and 216,096.34

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Solution

The fourth proportional to 615,465.85, 923,602.44 and 216,096.34 is: 324,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,465.85 : 923,602.44 = 216,096.34 : x
  2. Step 2: Convert to fraction form
    615,465.85/923,602.44 = 216,096.34/x
  3. Step 3: Cross multiply
    615,465.85x = 923,602.44 × 216,096.34
  4. Step 4: Simplify right side
    615,465.85x = 199,587,102,281.06
  5. Step 5: Solve for x
    x = 199,587,102,281.06/615,465.85
  6. Step 6: Final answer
    x = 324,286.24

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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.