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Finding the Fourth Proportional to 615,406.01, 923,521.35 and 216,047.96

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Solution

The fourth proportional to 615,406.01, 923,521.35 and 216,047.96 is: 324,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,406.01 : 923,521.35 = 216,047.96 : x
  2. Step 2: Convert to fraction form
    615,406.01/923,521.35 = 216,047.96/x
  3. Step 3: Cross multiply
    615,406.01x = 923,521.35 × 216,047.96
  4. Step 4: Simplify right side
    615,406.01x = 199,524,902,124.45
  5. Step 5: Solve for x
    x = 199,524,902,124.45/615,406.01
  6. Step 6: Final answer
    x = 324,216.70

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1.5x scale

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.