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Finding the Fourth Proportional to 543,558.71, 750,129.79 and 301,845.33

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Solution

The fourth proportional to 543,558.71, 750,129.79 and 301,845.33 is: 416,556.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,558.71 : 750,129.79 = 301,845.33 : x
  2. Step 2: Convert to fraction form
    543,558.71/750,129.79 = 301,845.33/x
  3. Step 3: Cross multiply
    543,558.71x = 750,129.79 × 301,845.33
  4. Step 4: Simplify right side
    543,558.71x = 226,423,174,005.38
  5. Step 5: Solve for x
    x = 226,423,174,005.38/543,558.71
  6. Step 6: Final answer
    x = 416,556.98

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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.