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Finding the Fourth Proportional to 882,325.92, 1,217,736 and 495,182.64

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Solution

The fourth proportional to 882,325.92, 1,217,736 and 495,182.64 is: 683,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,325.92 : 1,217,736 = 495,182.64 : x
  2. Step 2: Convert to fraction form
    882,325.92/1,217,736 = 495,182.64/x
  3. Step 3: Cross multiply
    882,325.92x = 1,217,736 × 495,182.64
  4. Step 4: Simplify right side
    882,325.92x = 603,001,727,303.04
  5. Step 5: Solve for x
    x = 603,001,727,303.04/882,325.92
  6. Step 6: Final answer
    x = 683,422.89

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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.