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Finding the Fourth Proportional to 615,703.76, 923,586.77 and 236,491.55

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Solution

The fourth proportional to 615,703.76, 923,586.77 and 236,491.55 is: 354,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,703.76 : 923,586.77 = 236,491.55 : x
  2. Step 2: Convert to fraction form
    615,703.76/923,586.77 = 236,491.55/x
  3. Step 3: Cross multiply
    615,703.76x = 923,586.77 × 236,491.55
  4. Step 4: Simplify right side
    615,703.76x = 218,420,466,233.54
  5. Step 5: Solve for x
    x = 218,420,466,233.54/615,703.76
  6. Step 6: Final answer
    x = 354,749.28

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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.