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Finding the Fourth Proportional to 706,679.34, 975,243.33 and 404,931.66

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Solution

The fourth proportional to 706,679.34, 975,243.33 and 404,931.66 is: 558,820.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,679.34 : 975,243.33 = 404,931.66 : x
  2. Step 2: Convert to fraction form
    706,679.34/975,243.33 = 404,931.66/x
  3. Step 3: Cross multiply
    706,679.34x = 975,243.33 × 404,931.66
  4. Step 4: Simplify right side
    706,679.34x = 394,906,900,520.83
  5. Step 5: Solve for x
    x = 394,906,900,520.83/706,679.34
  6. Step 6: Final answer
    x = 558,820.50

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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.