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Finding the Fourth Proportional to 934,645.13, 1,404,894.02 and 616,839.30

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Solution

The fourth proportional to 934,645.13, 1,404,894.02 and 616,839.30 is: 927,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,645.13 : 1,404,894.02 = 616,839.30 : x
  2. Step 2: Convert to fraction form
    934,645.13/1,404,894.02 = 616,839.30/x
  3. Step 3: Cross multiply
    934,645.13x = 1,404,894.02 × 616,839.30
  4. Step 4: Simplify right side
    934,645.13x = 866,593,844,256.51
  5. Step 5: Solve for x
    x = 866,593,844,256.51/934,645.13
  6. Step 6: Final answer
    x = 927,190.24

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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.