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Finding the Fourth Proportional to 768,894.96, 1,153,589.22 and 369,564.69

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Solution

The fourth proportional to 768,894.96, 1,153,589.22 and 369,564.69 is: 554,465.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,894.96 : 1,153,589.22 = 369,564.69 : x
  2. Step 2: Convert to fraction form
    768,894.96/1,153,589.22 = 369,564.69/x
  3. Step 3: Cross multiply
    768,894.96x = 1,153,589.22 × 369,564.69
  4. Step 4: Simplify right side
    768,894.96x = 426,325,842,476.64
  5. Step 5: Solve for x
    x = 426,325,842,476.64/768,894.96
  6. Step 6: Final answer
    x = 554,465.65

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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.