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Finding the Fourth Proportional to 555,933, 767,269.89 and 352,002.88

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Solution

The fourth proportional to 555,933, 767,269.89 and 352,002.88 is: 485,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,933 : 767,269.89 = 352,002.88 : x
  2. Step 2: Convert to fraction form
    555,933/767,269.89 = 352,002.88/x
  3. Step 3: Cross multiply
    555,933x = 767,269.89 × 352,002.88
  4. Step 4: Simplify right side
    555,933x = 270,081,211,017.28
  5. Step 5: Solve for x
    x = 270,081,211,017.28/555,933
  6. Step 6: Final answer
    x = 485,816.12

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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.