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Finding the Fourth Proportional to 573,040.40, 858,379.32 and 335,663.42

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Solution

The fourth proportional to 573,040.40, 858,379.32 and 335,663.42 is: 502,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,040.40 : 858,379.32 = 335,663.42 : x
  2. Step 2: Convert to fraction form
    573,040.40/858,379.32 = 335,663.42/x
  3. Step 3: Cross multiply
    573,040.40x = 858,379.32 × 335,663.42
  4. Step 4: Simplify right side
    573,040.40x = 288,126,538,208.47
  5. Step 5: Solve for x
    x = 288,126,538,208.47/573,040.40
  6. Step 6: Final answer
    x = 502,803.18

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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.