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Finding the Fourth Proportional to 615,944.20, 923,225.10 and 349,832.20

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Solution

The fourth proportional to 615,944.20, 923,225.10 and 349,832.20 is: 524,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,944.20 : 923,225.10 = 349,832.20 : x
  2. Step 2: Convert to fraction form
    615,944.20/923,225.10 = 349,832.20/x
  3. Step 3: Cross multiply
    615,944.20x = 923,225.10 × 349,832.20
  4. Step 4: Simplify right side
    615,944.20x = 322,973,867,828.22
  5. Step 5: Solve for x
    x = 322,973,867,828.22/615,944.20
  6. Step 6: Final answer
    x = 524,355.73

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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.