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Finding the Fourth Proportional to 702,104.54, 968,901.33 and 379,813.84

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Solution

The fourth proportional to 702,104.54, 968,901.33 and 379,813.84 is: 524,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,104.54 : 968,901.33 = 379,813.84 : x
  2. Step 2: Convert to fraction form
    702,104.54/968,901.33 = 379,813.84/x
  3. Step 3: Cross multiply
    702,104.54x = 968,901.33 × 379,813.84
  4. Step 4: Simplify right side
    702,104.54x = 368,002,134,728.41
  5. Step 5: Solve for x
    x = 368,002,134,728.41/702,104.54
  6. Step 6: Final answer
    x = 524,141.51

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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.