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Finding the Fourth Proportional to 346,808.84, 520,213.23 and 97,490.84

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Solution

The fourth proportional to 346,808.84, 520,213.23 and 97,490.84 is: 146,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,808.84 : 520,213.23 = 97,490.84 : x
  2. Step 2: Convert to fraction form
    346,808.84/520,213.23 = 97,490.84/x
  3. Step 3: Cross multiply
    346,808.84x = 520,213.23 × 97,490.84
  4. Step 4: Simplify right side
    346,808.84x = 50,716,022,170.75
  5. Step 5: Solve for x
    x = 50,716,022,170.75/346,808.84
  6. Step 6: Final answer
    x = 146,236.25

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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.