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Finding the Fourth Proportional to 573,352.26, 855,190.80 and 497,878.89

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Solution

The fourth proportional to 573,352.26, 855,190.80 and 497,878.89 is: 742,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,352.26 : 855,190.80 = 497,878.89 : x
  2. Step 2: Convert to fraction form
    573,352.26/855,190.80 = 497,878.89/x
  3. Step 3: Cross multiply
    573,352.26x = 855,190.80 × 497,878.89
  4. Step 4: Simplify right side
    573,352.26x = 425,781,446,242.21
  5. Step 5: Solve for x
    x = 425,781,446,242.21/573,352.26
  6. Step 6: Final answer
    x = 742,617.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.