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Finding the Fourth Proportional to 458,607.09, 632,936.18 and 277,320.32

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Solution

The fourth proportional to 458,607.09, 632,936.18 and 277,320.32 is: 382,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,607.09 : 632,936.18 = 277,320.32 : x
  2. Step 2: Convert to fraction form
    458,607.09/632,936.18 = 277,320.32/x
  3. Step 3: Cross multiply
    458,607.09x = 632,936.18 × 277,320.32
  4. Step 4: Simplify right side
    458,607.09x = 175,526,063,977.18
  5. Step 5: Solve for x
    x = 175,526,063,977.18/458,607.09
  6. Step 6: Final answer
    x = 382,737.35

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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.