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Finding the Fourth Proportional to 992,375.93, 1,369,446.76 and 562,694.33

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Solution

The fourth proportional to 992,375.93, 1,369,446.76 and 562,694.33 is: 776,500.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,375.93 : 1,369,446.76 = 562,694.33 : x
  2. Step 2: Convert to fraction form
    992,375.93/1,369,446.76 = 562,694.33/x
  3. Step 3: Cross multiply
    992,375.93x = 1,369,446.76 × 562,694.33
  4. Step 4: Simplify right side
    992,375.93x = 770,579,931,215.86
  5. Step 5: Solve for x
    x = 770,579,931,215.86/992,375.93
  6. Step 6: Final answer
    x = 776,500.02

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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.