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Finding the Fourth Proportional to 537,207.70, 804,839.55 and 425,622.10

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Solution

The fourth proportional to 537,207.70, 804,839.55 and 425,622.10 is: 637,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,207.70 : 804,839.55 = 425,622.10 : x
  2. Step 2: Convert to fraction form
    537,207.70/804,839.55 = 425,622.10/x
  3. Step 3: Cross multiply
    537,207.70x = 804,839.55 × 425,622.10
  4. Step 4: Simplify right side
    537,207.70x = 342,557,499,434.06
  5. Step 5: Solve for x
    x = 342,557,499,434.06/537,207.70
  6. Step 6: Final answer
    x = 637,663.05

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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.