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Finding the Fourth Proportional to 454,193.70, 681,290.55 and 335,220.90

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Solution

The fourth proportional to 454,193.70, 681,290.55 and 335,220.90 is: 502,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,193.70 : 681,290.55 = 335,220.90 : x
  2. Step 2: Convert to fraction form
    454,193.70/681,290.55 = 335,220.90/x
  3. Step 3: Cross multiply
    454,193.70x = 681,290.55 × 335,220.90
  4. Step 4: Simplify right side
    454,193.70x = 228,382,831,332.50
  5. Step 5: Solve for x
    x = 228,382,831,332.50/454,193.70
  6. Step 6: Final answer
    x = 502,831.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.