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Finding the Fourth Proportional to 702,966.57, 970,094.39 and 380,677.02

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Solution

The fourth proportional to 702,966.57, 970,094.39 and 380,677.02 is: 525,334.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,966.57 : 970,094.39 = 380,677.02 : x
  2. Step 2: Convert to fraction form
    702,966.57/970,094.39 = 380,677.02/x
  3. Step 3: Cross multiply
    702,966.57x = 970,094.39 × 380,677.02
  4. Step 4: Simplify right side
    702,966.57x = 369,292,639,600.53
  5. Step 5: Solve for x
    x = 369,292,639,600.53/702,966.57
  6. Step 6: Final answer
    x = 525,334.57

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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.