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Finding the Fourth Proportional to 347,033.32, 520,503.90 and 97,734.76

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Solution

The fourth proportional to 347,033.32, 520,503.90 and 97,734.76 is: 146,589.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,033.32 : 520,503.90 = 97,734.76 : x
  2. Step 2: Convert to fraction form
    347,033.32/520,503.90 = 97,734.76/x
  3. Step 3: Cross multiply
    347,033.32x = 520,503.90 × 97,734.76
  4. Step 4: Simplify right side
    347,033.32x = 50,871,323,745.56
  5. Step 5: Solve for x
    x = 50,871,323,745.56/347,033.32
  6. Step 6: Final answer
    x = 146,589.16

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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.