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Finding the Fourth Proportional to 573,081.40, 858,440.76 and 335,704.48

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Solution

The fourth proportional to 573,081.40, 858,440.76 and 335,704.48 is: 502,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,081.40 : 858,440.76 = 335,704.48 : x
  2. Step 2: Convert to fraction form
    573,081.40/858,440.76 = 335,704.48/x
  3. Step 3: Cross multiply
    573,081.40x = 858,440.76 × 335,704.48
  4. Step 4: Simplify right side
    573,081.40x = 288,182,408,946.61
  5. Step 5: Solve for x
    x = 288,182,408,946.61/573,081.40
  6. Step 6: Final answer
    x = 502,864.70

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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.