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Finding the Fourth Proportional to 346,410, 519,630.12 and 109,770.12

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Solution

The fourth proportional to 346,410, 519,630.12 and 109,770.12 is: 164,659.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,410 : 519,630.12 = 109,770.12 : x
  2. Step 2: Convert to fraction form
    346,410/519,630.12 = 109,770.12/x
  3. Step 3: Cross multiply
    346,410x = 519,630.12 × 109,770.12
  4. Step 4: Simplify right side
    346,410x = 57,039,860,628.01
  5. Step 5: Solve for x
    x = 57,039,860,628.01/346,410
  6. Step 6: Final answer
    x = 164,659.97

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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.