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Finding the Fourth Proportional to 368,432.64, 552,658.32 and 275,528.16

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Solution

The fourth proportional to 368,432.64, 552,658.32 and 275,528.16 is: 413,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,432.64 : 552,658.32 = 275,528.16 : x
  2. Step 2: Convert to fraction form
    368,432.64/552,658.32 = 275,528.16/x
  3. Step 3: Cross multiply
    368,432.64x = 552,658.32 × 275,528.16
  4. Step 4: Simplify right side
    368,432.64x = 152,272,930,018.29
  5. Step 5: Solve for x
    x = 152,272,930,018.29/368,432.64
  6. Step 6: Final answer
    x = 413,299.24

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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.