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Finding the Fourth Proportional to 702,104.04, 968,900.64 and 379,813.34

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Solution

The fourth proportional to 702,104.04, 968,900.64 and 379,813.34 is: 524,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,104.04 : 968,900.64 = 379,813.34 : x
  2. Step 2: Convert to fraction form
    702,104.04/968,900.64 = 379,813.34/x
  3. Step 3: Cross multiply
    702,104.04x = 968,900.64 × 379,813.34
  4. Step 4: Simplify right side
    702,104.04x = 368,001,383,362.03
  5. Step 5: Solve for x
    x = 368,001,383,362.03/702,104.04
  6. Step 6: Final answer
    x = 524,140.81

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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.