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Finding the Fourth Proportional to 573,107.90, 858,677.70 and 373,325.45

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Solution

The fourth proportional to 573,107.90, 858,677.70 and 373,325.45 is: 559,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,107.90 : 858,677.70 = 373,325.45 : x
  2. Step 2: Convert to fraction form
    573,107.90/858,677.70 = 373,325.45/x
  3. Step 3: Cross multiply
    573,107.90x = 858,677.70 × 373,325.45
  4. Step 4: Simplify right side
    573,107.90x = 320,566,238,757.47
  5. Step 5: Solve for x
    x = 320,566,238,757.47/573,107.90
  6. Step 6: Final answer
    x = 559,347.09

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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.