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Finding the Fourth Proportional to 597,906.30, 896,859.45 and 429,944.70

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Solution

The fourth proportional to 597,906.30, 896,859.45 and 429,944.70 is: 644,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,906.30 : 896,859.45 = 429,944.70 : x
  2. Step 2: Convert to fraction form
    597,906.30/896,859.45 = 429,944.70/x
  3. Step 3: Cross multiply
    597,906.30x = 896,859.45 × 429,944.70
  4. Step 4: Simplify right side
    597,906.30x = 385,599,967,172.42
  5. Step 5: Solve for x
    x = 385,599,967,172.42/597,906.30
  6. Step 6: Final answer
    x = 644,917.05

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Double scale
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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.