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Finding the Fourth Proportional to 702,102.04, 968,897.88 and 379,811.34

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Solution

The fourth proportional to 702,102.04, 968,897.88 and 379,811.34 is: 524,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,102.04 : 968,897.88 = 379,811.34 : x
  2. Step 2: Convert to fraction form
    702,102.04/968,897.88 = 379,811.34/x
  3. Step 3: Cross multiply
    702,102.04x = 968,897.88 × 379,811.34
  4. Step 4: Simplify right side
    702,102.04x = 367,998,402,125.96
  5. Step 5: Solve for x
    x = 367,998,402,125.96/702,102.04
  6. Step 6: Final answer
    x = 524,138.06

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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.