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Finding the Fourth Proportional to 609,160.79, 914,266.07 and 422,303.51

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Solution

The fourth proportional to 609,160.79, 914,266.07 and 422,303.51 is: 633,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,160.79 : 914,266.07 = 422,303.51 : x
  2. Step 2: Convert to fraction form
    609,160.79/914,266.07 = 422,303.51/x
  3. Step 3: Cross multiply
    609,160.79x = 914,266.07 × 422,303.51
  4. Step 4: Simplify right side
    609,160.79x = 386,097,763,752.06
  5. Step 5: Solve for x
    x = 386,097,763,752.06/609,160.79
  6. Step 6: Final answer
    x = 633,819.14

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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.