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Finding the Fourth Proportional to 624,637.20, 936,737.10 and 325,018.20

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Solution

The fourth proportional to 624,637.20, 936,737.10 and 325,018.20 is: 487,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,637.20 : 936,737.10 = 325,018.20 : x
  2. Step 2: Convert to fraction form
    624,637.20/936,737.10 = 325,018.20/x
  3. Step 3: Cross multiply
    624,637.20x = 936,737.10 × 325,018.20
  4. Step 4: Simplify right side
    624,637.20x = 304,456,606,115.22
  5. Step 5: Solve for x
    x = 304,456,606,115.22/624,637.20
  6. Step 6: Final answer
    x = 487,413.50

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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.