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Finding the Fourth Proportional to 368,397.48, 552,596.22 and 243,709.32

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Solution

The fourth proportional to 368,397.48, 552,596.22 and 243,709.32 is: 365,563.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,397.48 : 552,596.22 = 243,709.32 : x
  2. Step 2: Convert to fraction form
    368,397.48/552,596.22 = 243,709.32/x
  3. Step 3: Cross multiply
    368,397.48x = 552,596.22 × 243,709.32
  4. Step 4: Simplify right side
    368,397.48x = 134,672,849,010.77
  5. Step 5: Solve for x
    x = 134,672,849,010.77/368,397.48
  6. Step 6: Final answer
    x = 365,563.98

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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.