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Finding the Fourth Proportional to 668,925.33, 923,112.13 and 362,994

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Solution

The fourth proportional to 668,925.33, 923,112.13 and 362,994 is: 500,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,925.33 : 923,112.13 = 362,994 : x
  2. Step 2: Convert to fraction form
    668,925.33/923,112.13 = 362,994/x
  3. Step 3: Cross multiply
    668,925.33x = 923,112.13 × 362,994
  4. Step 4: Simplify right side
    668,925.33x = 335,084,164,517.22
  5. Step 5: Solve for x
    x = 335,084,164,517.22/668,925.33
  6. Step 6: Final answer
    x = 500,929.10

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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.