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Finding the Fourth Proportional to 624,110.80, 936,166.20 and 372,168.40

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Solution

The fourth proportional to 624,110.80, 936,166.20 and 372,168.40 is: 558,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,110.80 : 936,166.20 = 372,168.40 : x
  2. Step 2: Convert to fraction form
    624,110.80/936,166.20 = 372,168.40/x
  3. Step 3: Cross multiply
    624,110.80x = 936,166.20 × 372,168.40
  4. Step 4: Simplify right side
    624,110.80x = 348,411,476,788.08
  5. Step 5: Solve for x
    x = 348,411,476,788.08/624,110.80
  6. Step 6: Final answer
    x = 558,252.60

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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.