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Finding the Fourth Proportional to 346,817.70, 520,261.20 and 94,102.20

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Solution

The fourth proportional to 346,817.70, 520,261.20 and 94,102.20 is: 141,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,817.70 : 520,261.20 = 94,102.20 : x
  2. Step 2: Convert to fraction form
    346,817.70/520,261.20 = 94,102.20/x
  3. Step 3: Cross multiply
    346,817.70x = 520,261.20 × 94,102.20
  4. Step 4: Simplify right side
    346,817.70x = 48,957,723,494.64
  5. Step 5: Solve for x
    x = 48,957,723,494.64/346,817.70
  6. Step 6: Final answer
    x = 141,162.70

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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.