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Finding the Fourth Proportional to 898,094, 1,239,371.34 and 495,686

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Solution

The fourth proportional to 898,094, 1,239,371.34 and 495,686 is: 684,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,094 : 1,239,371.34 = 495,686 : x
  2. Step 2: Convert to fraction form
    898,094/1,239,371.34 = 495,686/x
  3. Step 3: Cross multiply
    898,094x = 1,239,371.34 × 495,686
  4. Step 4: Simplify right side
    898,094x = 614,339,022,039.24
  5. Step 5: Solve for x
    x = 614,339,022,039.24/898,094
  6. Step 6: Final answer
    x = 684,047.57

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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.