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Finding the Fourth Proportional to 412,337.48, 617,261.16 and 372,913.16

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Solution

The fourth proportional to 412,337.48, 617,261.16 and 372,913.16 is: 558,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,337.48 : 617,261.16 = 372,913.16 : x
  2. Step 2: Convert to fraction form
    412,337.48/617,261.16 = 372,913.16/x
  3. Step 3: Cross multiply
    412,337.48x = 617,261.16 × 372,913.16
  4. Step 4: Simplify right side
    412,337.48x = 230,184,809,720.87
  5. Step 5: Solve for x
    x = 230,184,809,720.87/412,337.48
  6. Step 6: Final answer
    x = 558,243.72

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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.