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Finding the Fourth Proportional to 722,395.34, 997,575.68 and 540,791.98

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Solution

The fourth proportional to 722,395.34, 997,575.68 and 540,791.98 is: 746,794.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,395.34 : 997,575.68 = 540,791.98 : x
  2. Step 2: Convert to fraction form
    722,395.34/997,575.68 = 540,791.98/x
  3. Step 3: Cross multiply
    722,395.34x = 997,575.68 × 540,791.98
  4. Step 4: Simplify right side
    722,395.34x = 539,480,927,187.05
  5. Step 5: Solve for x
    x = 539,480,927,187.05/722,395.34
  6. Step 6: Final answer
    x = 746,794.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.