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Finding the Fourth Proportional to 573,040.90, 858,380.07 and 335,663.92

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Solution

The fourth proportional to 573,040.90, 858,380.07 and 335,663.92 is: 502,803.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,040.90 : 858,380.07 = 335,663.92 : x
  2. Step 2: Convert to fraction form
    573,040.90/858,380.07 = 335,663.92/x
  3. Step 3: Cross multiply
    573,040.90x = 858,380.07 × 335,663.92
  4. Step 4: Simplify right side
    573,040.90x = 288,127,219,146.07
  5. Step 5: Solve for x
    x = 288,127,219,146.07/573,040.90
  6. Step 6: Final answer
    x = 502,803.93

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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.