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Finding the Fourth Proportional to 792,881, 1,094,176.34 and 430,304.77

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Solution

The fourth proportional to 792,881, 1,094,176.34 and 430,304.77 is: 593,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,881 : 1,094,176.34 = 430,304.77 : x
  2. Step 2: Convert to fraction form
    792,881/1,094,176.34 = 430,304.77/x
  3. Step 3: Cross multiply
    792,881x = 1,094,176.34 × 430,304.77
  4. Step 4: Simplify right side
    792,881x = 470,829,298,323.14
  5. Step 5: Solve for x
    x = 470,829,298,323.14/792,881
  6. Step 6: Final answer
    x = 593,820.89

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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.