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Finding the Fourth Proportional to 833,955.76, 1,150,864.64 and 451,988.92

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Solution

The fourth proportional to 833,955.76, 1,150,864.64 and 451,988.92 is: 623,747.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,955.76 : 1,150,864.64 = 451,988.92 : x
  2. Step 2: Convert to fraction form
    833,955.76/1,150,864.64 = 451,988.92/x
  3. Step 3: Cross multiply
    833,955.76x = 1,150,864.64 × 451,988.92
  4. Step 4: Simplify right side
    833,955.76x = 520,178,065,699.79
  5. Step 5: Solve for x
    x = 520,178,065,699.79/833,955.76
  6. Step 6: Final answer
    x = 623,747.79

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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.