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Finding the Fourth Proportional to 378,208.17, 567,250.20 and 153,559.53

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Solution

The fourth proportional to 378,208.17, 567,250.20 and 153,559.53 is: 230,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,208.17 : 567,250.20 = 153,559.53 : x
  2. Step 2: Convert to fraction form
    378,208.17/567,250.20 = 153,559.53/x
  3. Step 3: Cross multiply
    378,208.17x = 567,250.20 × 153,559.53
  4. Step 4: Simplify right side
    378,208.17x = 87,106,674,104.41
  5. Step 5: Solve for x
    x = 87,106,674,104.41/378,208.17
  6. Step 6: Final answer
    x = 230,314.10

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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.