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Finding the Fourth Proportional to 573,168.79, 858,632.11 and 472,111.92

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Solution

The fourth proportional to 573,168.79, 858,632.11 and 472,111.92 is: 707,244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,168.79 : 858,632.11 = 472,111.92 : x
  2. Step 2: Convert to fraction form
    573,168.79/858,632.11 = 472,111.92/x
  3. Step 3: Cross multiply
    573,168.79x = 858,632.11 × 472,111.92
  4. Step 4: Simplify right side
    573,168.79x = 405,370,452,845.47
  5. Step 5: Solve for x
    x = 405,370,452,845.47/573,168.79
  6. Step 6: Final answer
    x = 707,244.47

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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.