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Finding the Fourth Proportional to 671,650.32, 926,873.16 and 369,842

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Solution

The fourth proportional to 671,650.32, 926,873.16 and 369,842 is: 510,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,650.32 : 926,873.16 = 369,842 : x
  2. Step 2: Convert to fraction form
    671,650.32/926,873.16 = 369,842/x
  3. Step 3: Cross multiply
    671,650.32x = 926,873.16 × 369,842
  4. Step 4: Simplify right side
    671,650.32x = 342,796,623,240.72
  5. Step 5: Solve for x
    x = 342,796,623,240.72/671,650.32
  6. Step 6: Final answer
    x = 510,379.60

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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.