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Finding the Fourth Proportional to 615,407.51, 923,523.60 and 216,049.46

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Solution

The fourth proportional to 615,407.51, 923,523.60 and 216,049.46 is: 324,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,407.51 : 923,523.60 = 216,049.46 : x
  2. Step 2: Convert to fraction form
    615,407.51/923,523.60 = 216,049.46/x
  3. Step 3: Cross multiply
    615,407.51x = 923,523.60 × 216,049.46
  4. Step 4: Simplify right side
    615,407.51x = 199,526,777,386.07
  5. Step 5: Solve for x
    x = 199,526,777,386.07/615,407.51
  6. Step 6: Final answer
    x = 324,218.95

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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.