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Finding the Fourth Proportional to 882,839, 1,218,233.58 and 495,565.76

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Solution

The fourth proportional to 882,839, 1,218,233.58 and 495,565.76 is: 683,833.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,839 : 1,218,233.58 = 495,565.76 : x
  2. Step 2: Convert to fraction form
    882,839/1,218,233.58 = 495,565.76/x
  3. Step 3: Cross multiply
    882,839x = 1,218,233.58 × 495,565.76
  4. Step 4: Simplify right side
    882,839x = 603,714,849,930.22
  5. Step 5: Solve for x
    x = 603,714,849,930.22/882,839
  6. Step 6: Final answer
    x = 683,833.46

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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.