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Finding the Fourth Proportional to 702,259.13, 969,110.70 and 379,962.16

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Solution

The fourth proportional to 702,259.13, 969,110.70 and 379,962.16 is: 524,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,259.13 : 969,110.70 = 379,962.16 : x
  2. Step 2: Convert to fraction form
    702,259.13/969,110.70 = 379,962.16/x
  3. Step 3: Cross multiply
    702,259.13x = 969,110.70 × 379,962.16
  4. Step 4: Simplify right side
    702,259.13x = 368,225,394,851.11
  5. Step 5: Solve for x
    x = 368,225,394,851.11/702,259.13
  6. Step 6: Final answer
    x = 524,344.05

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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.