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Finding the Fourth Proportional to 314,649.66, 434,202.46 and 183,839.39

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Solution

The fourth proportional to 314,649.66, 434,202.46 and 183,839.39 is: 253,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,649.66 : 434,202.46 = 183,839.39 : x
  2. Step 2: Convert to fraction form
    314,649.66/434,202.46 = 183,839.39/x
  3. Step 3: Cross multiply
    314,649.66x = 434,202.46 × 183,839.39
  4. Step 4: Simplify right side
    314,649.66x = 79,823,512,752.29
  5. Step 5: Solve for x
    x = 79,823,512,752.29/314,649.66
  6. Step 6: Final answer
    x = 253,690.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.