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Finding the Fourth Proportional to 384,174.80, 577,524.24 and 356,430.12

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Solution

The fourth proportional to 384,174.80, 577,524.24 and 356,430.12 is: 535,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,174.80 : 577,524.24 = 356,430.12 : x
  2. Step 2: Convert to fraction form
    384,174.80/577,524.24 = 356,430.12/x
  3. Step 3: Cross multiply
    384,174.80x = 577,524.24 × 356,430.12
  4. Step 4: Simplify right side
    384,174.80x = 205,847,034,166.11
  5. Step 5: Solve for x
    x = 205,847,034,166.11/384,174.80
  6. Step 6: Final answer
    x = 535,816.08

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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.