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Finding the Fourth Proportional to 622,638.18, 934,088.49 and 201,881.25

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Solution

The fourth proportional to 622,638.18, 934,088.49 and 201,881.25 is: 302,864.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,638.18 : 934,088.49 = 201,881.25 : x
  2. Step 2: Convert to fraction form
    622,638.18/934,088.49 = 201,881.25/x
  3. Step 3: Cross multiply
    622,638.18x = 934,088.49 × 201,881.25
  4. Step 4: Simplify right side
    622,638.18x = 188,574,951,971.81
  5. Step 5: Solve for x
    x = 188,574,951,971.81/622,638.18
  6. Step 6: Final answer
    x = 302,864.42

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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.