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Finding the Fourth Proportional to 535,509.69, 739,051.17 and 293,839.32

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Solution

The fourth proportional to 535,509.69, 739,051.17 and 293,839.32 is: 405,524.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,509.69 : 739,051.17 = 293,839.32 : x
  2. Step 2: Convert to fraction form
    535,509.69/739,051.17 = 293,839.32/x
  3. Step 3: Cross multiply
    535,509.69x = 739,051.17 × 293,839.32
  4. Step 4: Simplify right side
    535,509.69x = 217,162,293,238.00
  5. Step 5: Solve for x
    x = 217,162,293,238.00/535,509.69
  6. Step 6: Final answer
    x = 405,524.49

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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.