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Finding the Fourth Proportional to 346,956.75, 520,171.40 and 240,056.53

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Solution

The fourth proportional to 346,956.75, 520,171.40 and 240,056.53 is: 359,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,956.75 : 520,171.40 = 240,056.53 : x
  2. Step 2: Convert to fraction form
    346,956.75/520,171.40 = 240,056.53/x
  3. Step 3: Cross multiply
    346,956.75x = 520,171.40 × 240,056.53
  4. Step 4: Simplify right side
    346,956.75x = 124,870,540,588.96
  5. Step 5: Solve for x
    x = 124,870,540,588.96/346,956.75
  6. Step 6: Final answer
    x = 359,902.32

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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.