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Finding the Fourth Proportional to 567,018.93, 850,529.82 and 388,986.21

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Solution

The fourth proportional to 567,018.93, 850,529.82 and 388,986.21 is: 583,480.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,018.93 : 850,529.82 = 388,986.21 : x
  2. Step 2: Convert to fraction form
    567,018.93/850,529.82 = 388,986.21/x
  3. Step 3: Cross multiply
    567,018.93x = 850,529.82 × 388,986.21
  4. Step 4: Simplify right side
    567,018.93x = 330,844,371,173.78
  5. Step 5: Solve for x
    x = 330,844,371,173.78/567,018.93
  6. Step 6: Final answer
    x = 583,480.29

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1.5x scale

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.