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Finding the Fourth Proportional to 679,252, 1,019,033.52 and 236,020

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Solution

The fourth proportional to 679,252, 1,019,033.52 and 236,020 is: 354,084.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,252 : 1,019,033.52 = 236,020 : x
  2. Step 2: Convert to fraction form
    679,252/1,019,033.52 = 236,020/x
  3. Step 3: Cross multiply
    679,252x = 1,019,033.52 × 236,020
  4. Step 4: Simplify right side
    679,252x = 240,512,291,390.40
  5. Step 5: Solve for x
    x = 240,512,291,390.40/679,252
  6. Step 6: Final answer
    x = 354,084.04

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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.