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Finding the Fourth Proportional to 666,262.08, 999,328.32 and 366,644.16

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Solution

The fourth proportional to 666,262.08, 999,328.32 and 366,644.16 is: 549,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,262.08 : 999,328.32 = 366,644.16 : x
  2. Step 2: Convert to fraction form
    666,262.08/999,328.32 = 366,644.16/x
  3. Step 3: Cross multiply
    666,262.08x = 999,328.32 × 366,644.16
  4. Step 4: Simplify right side
    666,262.08x = 366,397,892,450.61
  5. Step 5: Solve for x
    x = 366,397,892,450.61/666,262.08
  6. Step 6: Final answer
    x = 549,930.58

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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.