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Finding the Fourth Proportional to 882,832, 1,218,223.92 and 495,558.76

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Solution

The fourth proportional to 882,832, 1,218,223.92 and 495,558.76 is: 683,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,832 : 1,218,223.92 = 495,558.76 : x
  2. Step 2: Convert to fraction form
    882,832/1,218,223.92 = 495,558.76/x
  3. Step 3: Cross multiply
    882,832x = 1,218,223.92 × 495,558.76
  4. Step 4: Simplify right side
    882,832x = 603,701,535,197.54
  5. Step 5: Solve for x
    x = 603,701,535,197.54/882,832
  6. Step 6: Final answer
    x = 683,823.80

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1.5x scale

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.