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Finding the Fourth Proportional to 624,069.90, 936,256.05 and 180,837.90

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Solution

The fourth proportional to 624,069.90, 936,256.05 and 180,837.90 is: 271,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,069.90 : 936,256.05 = 180,837.90 : x
  2. Step 2: Convert to fraction form
    624,069.90/936,256.05 = 180,837.90/x
  3. Step 3: Cross multiply
    624,069.90x = 936,256.05 × 180,837.90
  4. Step 4: Simplify right side
    624,069.90x = 169,310,577,944.30
  5. Step 5: Solve for x
    x = 169,310,577,944.30/624,069.90
  6. Step 6: Final answer
    x = 271,300.66

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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.