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Finding the Fourth Proportional to 903,762.18, 1,247,149.71 and 495,854.82

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Solution

The fourth proportional to 903,762.18, 1,247,149.71 and 495,854.82 is: 684,256.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,762.18 : 1,247,149.71 = 495,854.82 : x
  2. Step 2: Convert to fraction form
    903,762.18/1,247,149.71 = 495,854.82/x
  3. Step 3: Cross multiply
    903,762.18x = 1,247,149.71 × 495,854.82
  4. Step 4: Simplify right side
    903,762.18x = 618,405,194,965.10
  5. Step 5: Solve for x
    x = 618,405,194,965.10/903,762.18
  6. Step 6: Final answer
    x = 684,256.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.