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Finding the Fourth Proportional to 550,247.16, 759,061.62 and 359,372.28

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Solution

The fourth proportional to 550,247.16, 759,061.62 and 359,372.28 is: 495,751.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,247.16 : 759,061.62 = 359,372.28 : x
  2. Step 2: Convert to fraction form
    550,247.16/759,061.62 = 359,372.28/x
  3. Step 3: Cross multiply
    550,247.16x = 759,061.62 × 359,372.28
  4. Step 4: Simplify right side
    550,247.16x = 272,785,705,039.89
  5. Step 5: Solve for x
    x = 272,785,705,039.89/550,247.16
  6. Step 6: Final answer
    x = 495,751.23

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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.