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Finding the Fourth Proportional to 615,409.01, 923,525.85 and 216,050.96

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Solution

The fourth proportional to 615,409.01, 923,525.85 and 216,050.96 is: 324,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,409.01 : 923,525.85 = 216,050.96 : x
  2. Step 2: Convert to fraction form
    615,409.01/923,525.85 = 216,050.96/x
  3. Step 3: Cross multiply
    615,409.01x = 923,525.85 × 216,050.96
  4. Step 4: Simplify right side
    615,409.01x = 199,528,648,786.13
  5. Step 5: Solve for x
    x = 199,528,648,786.13/615,409.01
  6. Step 6: Final answer
    x = 324,221.20

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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.