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Finding the Fourth Proportional to 346,769.40, 520,154.10 and 97,451.40

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Solution

The fourth proportional to 346,769.40, 520,154.10 and 97,451.40 is: 146,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,769.40 : 520,154.10 = 97,451.40 : x
  2. Step 2: Convert to fraction form
    346,769.40/520,154.10 = 97,451.40/x
  3. Step 3: Cross multiply
    346,769.40x = 520,154.10 × 97,451.40
  4. Step 4: Simplify right side
    346,769.40x = 50,689,745,260.74
  5. Step 5: Solve for x
    x = 50,689,745,260.74/346,769.40
  6. Step 6: Final answer
    x = 146,177.10

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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.