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Finding the Fourth Proportional to 368,090.16, 552,835.12 and 228,822

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Solution

The fourth proportional to 368,090.16, 552,835.12 and 228,822 is: 343,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,090.16 : 552,835.12 = 228,822 : x
  2. Step 2: Convert to fraction form
    368,090.16/552,835.12 = 228,822/x
  3. Step 3: Cross multiply
    368,090.16x = 552,835.12 × 228,822
  4. Step 4: Simplify right side
    368,090.16x = 126,500,837,828.64
  5. Step 5: Solve for x
    x = 126,500,837,828.64/368,090.16
  6. Step 6: Final answer
    x = 343,668.08

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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.