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Finding the Fourth Proportional to 597,606.80, 893,818.20 and 534,880.40

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Solution

The fourth proportional to 597,606.80, 893,818.20 and 534,880.40 is: 800,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,606.80 : 893,818.20 = 534,880.40 : x
  2. Step 2: Convert to fraction form
    597,606.80/893,818.20 = 534,880.40/x
  3. Step 3: Cross multiply
    597,606.80x = 893,818.20 × 534,880.40
  4. Step 4: Simplify right side
    597,606.80x = 478,085,836,343.28
  5. Step 5: Solve for x
    x = 478,085,836,343.28/597,606.80
  6. Step 6: Final answer
    x = 800,000.66

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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.