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Finding the Fourth Proportional to 532,612.80, 798,919.20 and 484,401.60

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Solution

The fourth proportional to 532,612.80, 798,919.20 and 484,401.60 is: 726,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,612.80 : 798,919.20 = 484,401.60 : x
  2. Step 2: Convert to fraction form
    532,612.80/798,919.20 = 484,401.60/x
  3. Step 3: Cross multiply
    532,612.80x = 798,919.20 × 484,401.60
  4. Step 4: Simplify right side
    532,612.80x = 386,997,738,750.72
  5. Step 5: Solve for x
    x = 386,997,738,750.72/532,612.80
  6. Step 6: Final answer
    x = 726,602.40

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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.