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Finding the Fourth Proportional to 702,141.74, 968,951.60 and 379,850.90

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Solution

The fourth proportional to 702,141.74, 968,951.60 and 379,850.90 is: 524,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,141.74 : 968,951.60 = 379,850.90 : x
  2. Step 2: Convert to fraction form
    702,141.74/968,951.60 = 379,850.90/x
  3. Step 3: Cross multiply
    702,141.74x = 968,951.60 × 379,850.90
  4. Step 4: Simplify right side
    702,141.74x = 368,057,137,316.44
  5. Step 5: Solve for x
    x = 368,057,137,316.44/702,141.74
  6. Step 6: Final answer
    x = 524,192.08

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1.5x scale

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.