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Finding the Fourth Proportional to 615,408.76, 923,525.48 and 216,050.72

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Solution

The fourth proportional to 615,408.76, 923,525.48 and 216,050.72 is: 324,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,408.76 : 923,525.48 = 216,050.72 : x
  2. Step 2: Convert to fraction form
    615,408.76/923,525.48 = 216,050.72/x
  3. Step 3: Cross multiply
    615,408.76x = 923,525.48 × 216,050.72
  4. Step 4: Simplify right side
    615,408.76x = 199,528,344,892.35
  5. Step 5: Solve for x
    x = 199,528,344,892.35/615,408.76
  6. Step 6: Final answer
    x = 324,220.84

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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.