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Finding the Fourth Proportional to 356,524.96, 534,776.56 and 146,004.40

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Solution

The fourth proportional to 356,524.96, 534,776.56 and 146,004.40 is: 219,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,524.96 : 534,776.56 = 146,004.40 : x
  2. Step 2: Convert to fraction form
    356,524.96/534,776.56 = 146,004.40/x
  3. Step 3: Cross multiply
    356,524.96x = 534,776.56 × 146,004.40
  4. Step 4: Simplify right side
    356,524.96x = 78,079,730,776.86
  5. Step 5: Solve for x
    x = 78,079,730,776.86/356,524.96
  6. Step 6: Final answer
    x = 219,002.14

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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.