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Finding the Fourth Proportional to 624,344.78, 936,411.63 and 174,962.30

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Solution

The fourth proportional to 624,344.78, 936,411.63 and 174,962.30 is: 262,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,344.78 : 936,411.63 = 174,962.30 : x
  2. Step 2: Convert to fraction form
    624,344.78/936,411.63 = 174,962.30/x
  3. Step 3: Cross multiply
    624,344.78x = 936,411.63 × 174,962.30
  4. Step 4: Simplify right side
    624,344.78x = 163,836,727,849.49
  5. Step 5: Solve for x
    x = 163,836,727,849.49/624,344.78
  6. Step 6: Final answer
    x = 262,413.87

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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.