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Finding the Fourth Proportional to 894,698.81, 1,341,881.52 and 287,497.66

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Solution

The fourth proportional to 894,698.81, 1,341,881.52 and 287,497.66 is: 431,192.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,698.81 : 1,341,881.52 = 287,497.66 : x
  2. Step 2: Convert to fraction form
    894,698.81/1,341,881.52 = 287,497.66/x
  3. Step 3: Cross multiply
    894,698.81x = 1,341,881.52 × 287,497.66
  4. Step 4: Simplify right side
    894,698.81x = 385,787,793,732.17
  5. Step 5: Solve for x
    x = 385,787,793,732.17/894,698.81
  6. Step 6: Final answer
    x = 431,192.92

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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.