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Finding the Fourth Proportional to 597,865, 894,582.30 and 479,176.36

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Solution

The fourth proportional to 597,865, 894,582.30 and 479,176.36 is: 716,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,865 : 894,582.30 = 479,176.36 : x
  2. Step 2: Convert to fraction form
    597,865/894,582.30 = 479,176.36/x
  3. Step 3: Cross multiply
    597,865x = 894,582.30 × 479,176.36
  4. Step 4: Simplify right side
    597,865x = 428,662,690,234.43
  5. Step 5: Solve for x
    x = 428,662,690,234.43/597,865
  6. Step 6: Final answer
    x = 716,989.10

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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.