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Finding the Fourth Proportional to 543,208.00, 749,662.07 and 301,490.59

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Solution

The fourth proportional to 543,208.00, 749,662.07 and 301,490.59 is: 416,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,208.00 : 749,662.07 = 301,490.59 : x
  2. Step 2: Convert to fraction form
    543,208.00/749,662.07 = 301,490.59/x
  3. Step 3: Cross multiply
    543,208.00x = 749,662.07 × 301,490.59
  4. Step 4: Simplify right side
    543,208.00x = 226,016,054,529.16
  5. Step 5: Solve for x
    x = 226,016,054,529.16/543,208.00
  6. Step 6: Final answer
    x = 416,076.45

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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.