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Finding the Fourth Proportional to 606,637.80, 909,956.70 and 180,172.80

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Solution

The fourth proportional to 606,637.80, 909,956.70 and 180,172.80 is: 270,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,637.80 : 909,956.70 = 180,172.80 : x
  2. Step 2: Convert to fraction form
    606,637.80/909,956.70 = 180,172.80/x
  3. Step 3: Cross multiply
    606,637.80x = 909,956.70 × 180,172.80
  4. Step 4: Simplify right side
    606,637.80x = 163,949,446,517.76
  5. Step 5: Solve for x
    x = 163,949,446,517.76/606,637.80
  6. Step 6: Final answer
    x = 270,259.20

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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.