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Finding the Fourth Proportional to 622,263.32, 858,657.62 and 350,326.26

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Solution

The fourth proportional to 622,263.32, 858,657.62 and 350,326.26 is: 483,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,263.32 : 858,657.62 = 350,326.26 : x
  2. Step 2: Convert to fraction form
    622,263.32/858,657.62 = 350,326.26/x
  3. Step 3: Cross multiply
    622,263.32x = 858,657.62 × 350,326.26
  4. Step 4: Simplify right side
    622,263.32x = 300,810,312,635.10
  5. Step 5: Solve for x
    x = 300,810,312,635.10/622,263.32
  6. Step 6: Final answer
    x = 483,413.22

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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.