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Finding the Fourth Proportional to 703,601.55, 971,074.36 and 445,502.49

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Solution

The fourth proportional to 703,601.55, 971,074.36 and 445,502.49 is: 614,859.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,601.55 : 971,074.36 = 445,502.49 : x
  2. Step 2: Convert to fraction form
    703,601.55/971,074.36 = 445,502.49/x
  3. Step 3: Cross multiply
    703,601.55x = 971,074.36 × 445,502.49
  4. Step 4: Simplify right side
    703,601.55x = 432,616,044,241.40
  5. Step 5: Solve for x
    x = 432,616,044,241.40/703,601.55
  6. Step 6: Final answer
    x = 614,859.42

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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.