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Finding the Fourth Proportional to 615,470.61, 923,609.58 and 216,101.10

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Solution

The fourth proportional to 615,470.61, 923,609.58 and 216,101.10 is: 324,293.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,470.61 : 923,609.58 = 216,101.10 : x
  2. Step 2: Convert to fraction form
    615,470.61/923,609.58 = 216,101.10/x
  3. Step 3: Cross multiply
    615,470.61x = 923,609.58 × 216,101.10
  4. Step 4: Simplify right side
    615,470.61x = 199,593,046,208.54
  5. Step 5: Solve for x
    x = 199,593,046,208.54/615,470.61
  6. Step 6: Final answer
    x = 324,293.38

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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.