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Finding the Fourth Proportional to 622,124.30, 933,301.65 and 201,413.90

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Solution

The fourth proportional to 622,124.30, 933,301.65 and 201,413.90 is: 302,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,124.30 : 933,301.65 = 201,413.90 : x
  2. Step 2: Convert to fraction form
    622,124.30/933,301.65 = 201,413.90/x
  3. Step 3: Cross multiply
    622,124.30x = 933,301.65 × 201,413.90
  4. Step 4: Simplify right side
    622,124.30x = 187,979,925,202.94
  5. Step 5: Solve for x
    x = 187,979,925,202.94/622,124.30
  6. Step 6: Final answer
    x = 302,158.15

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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.