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Finding the Fourth Proportional to 543,607.38, 750,203.25 and 301,891.02

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Solution

The fourth proportional to 543,607.38, 750,203.25 and 301,891.02 is: 416,623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,607.38 : 750,203.25 = 301,891.02 : x
  2. Step 2: Convert to fraction form
    543,607.38/750,203.25 = 301,891.02/x
  3. Step 3: Cross multiply
    543,607.38x = 750,203.25 × 301,891.02
  4. Step 4: Simplify right side
    543,607.38x = 226,479,624,349.82
  5. Step 5: Solve for x
    x = 226,479,624,349.82/543,607.38
  6. Step 6: Final answer
    x = 416,623.53

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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.