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Finding the Fourth Proportional to 304,468.46, 420,157.83 and 168,508.10

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Solution

The fourth proportional to 304,468.46, 420,157.83 and 168,508.10 is: 232,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,468.46 : 420,157.83 = 168,508.10 : x
  2. Step 2: Convert to fraction form
    304,468.46/420,157.83 = 168,508.10/x
  3. Step 3: Cross multiply
    304,468.46x = 420,157.83 × 168,508.10
  4. Step 4: Simplify right side
    304,468.46x = 70,799,997,633.42
  5. Step 5: Solve for x
    x = 70,799,997,633.42/304,468.46
  6. Step 6: Final answer
    x = 232,536.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.