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Finding the Fourth Proportional to 366,243.48, 505,441.08 and 205,094.16

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Solution

The fourth proportional to 366,243.48, 505,441.08 and 205,094.16 is: 283,043.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,243.48 : 505,441.08 = 205,094.16 : x
  2. Step 2: Convert to fraction form
    366,243.48/505,441.08 = 205,094.16/x
  3. Step 3: Cross multiply
    366,243.48x = 505,441.08 × 205,094.16
  4. Step 4: Simplify right side
    366,243.48x = 103,663,013,732.09
  5. Step 5: Solve for x
    x = 103,663,013,732.09/366,243.48
  6. Step 6: Final answer
    x = 283,043.98

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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.