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Finding the Fourth Proportional to 346,701.90, 520,052.85 and 197,402.70

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Solution

The fourth proportional to 346,701.90, 520,052.85 and 197,402.70 is: 296,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,701.90 : 520,052.85 = 197,402.70 : x
  2. Step 2: Convert to fraction form
    346,701.90/520,052.85 = 197,402.70/x
  3. Step 3: Cross multiply
    346,701.90x = 520,052.85 × 197,402.70
  4. Step 4: Simplify right side
    346,701.90x = 102,659,836,732.70
  5. Step 5: Solve for x
    x = 102,659,836,732.70/346,701.90
  6. Step 6: Final answer
    x = 296,104.05

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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.