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Finding the Fourth Proportional to 346,769.25, 520,153.88 and 97,451.25

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Solution

The fourth proportional to 346,769.25, 520,153.88 and 97,451.25 is: 146,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,769.25 : 520,153.88 = 97,451.25 : x
  2. Step 2: Convert to fraction form
    346,769.25/520,153.88 = 97,451.25/x
  3. Step 3: Cross multiply
    346,769.25x = 520,153.88 × 97,451.25
  4. Step 4: Simplify right side
    346,769.25x = 50,689,645,311.09
  5. Step 5: Solve for x
    x = 50,689,645,311.09/346,769.25
  6. Step 6: Final answer
    x = 146,176.88

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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.