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Finding the Fourth Proportional to 702,143.44, 968,953.56 and 379,852.24

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Solution

The fourth proportional to 702,143.44, 968,953.56 and 379,852.24 is: 524,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,143.44 : 968,953.56 = 379,852.24 : x
  2. Step 2: Convert to fraction form
    702,143.44/968,953.56 = 379,852.24/x
  3. Step 3: Cross multiply
    702,143.44x = 968,953.56 × 379,852.24
  4. Step 4: Simplify right side
    702,143.44x = 368,059,180,221.97
  5. Step 5: Solve for x
    x = 368,059,180,221.97/702,143.44
  6. Step 6: Final answer
    x = 524,193.72

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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.