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Finding the Fourth Proportional to 898,092, 1,239,368.58 and 495,684

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Solution

The fourth proportional to 898,092, 1,239,368.58 and 495,684 is: 684,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,092 : 1,239,368.58 = 495,684 : x
  2. Step 2: Convert to fraction form
    898,092/1,239,368.58 = 495,684/x
  3. Step 3: Cross multiply
    898,092x = 1,239,368.58 × 495,684
  4. Step 4: Simplify right side
    898,092x = 614,335,175,208.72
  5. Step 5: Solve for x
    x = 614,335,175,208.72/898,092
  6. Step 6: Final answer
    x = 684,044.81

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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.