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Finding the Fourth Proportional to 622,772.37, 859,248.07 and 350,745.12

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Solution

The fourth proportional to 622,772.37, 859,248.07 and 350,745.12 is: 483,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,772.37 : 859,248.07 = 350,745.12 : x
  2. Step 2: Convert to fraction form
    622,772.37/859,248.07 = 350,745.12/x
  3. Step 3: Cross multiply
    622,772.37x = 859,248.07 × 350,745.12
  4. Step 4: Simplify right side
    622,772.37x = 301,377,066,545.06
  5. Step 5: Solve for x
    x = 301,377,066,545.06/622,772.37
  6. Step 6: Final answer
    x = 483,928.13

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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.