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Finding the Fourth Proportional to 524,174.34, 723,186.60 and 427,211.46

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Solution

The fourth proportional to 524,174.34, 723,186.60 and 427,211.46 is: 589,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,174.34 : 723,186.60 = 427,211.46 : x
  2. Step 2: Convert to fraction form
    524,174.34/723,186.60 = 427,211.46/x
  3. Step 3: Cross multiply
    524,174.34x = 723,186.60 × 427,211.46
  4. Step 4: Simplify right side
    524,174.34x = 308,953,603,238.44
  5. Step 5: Solve for x
    x = 308,953,603,238.44/524,174.34
  6. Step 6: Final answer
    x = 589,410.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.