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Finding the Fourth Proportional to 615,518.52, 923,330.64 and 216,124.96

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Solution

The fourth proportional to 615,518.52, 923,330.64 and 216,124.96 is: 324,206.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,518.52 : 923,330.64 = 216,124.96 : x
  2. Step 2: Convert to fraction form
    615,518.52/923,330.64 = 216,124.96/x
  3. Step 3: Cross multiply
    615,518.52x = 923,330.64 × 216,124.96
  4. Step 4: Simplify right side
    615,518.52x = 199,554,797,636.77
  5. Step 5: Solve for x
    x = 199,554,797,636.77/615,518.52
  6. Step 6: Final answer
    x = 324,206.00

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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.