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Finding the Fourth Proportional to 479,068.08, 661,118.13 and 264,215.58

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Solution

The fourth proportional to 479,068.08, 661,118.13 and 264,215.58 is: 364,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,068.08 : 661,118.13 = 264,215.58 : x
  2. Step 2: Convert to fraction form
    479,068.08/661,118.13 = 264,215.58/x
  3. Step 3: Cross multiply
    479,068.08x = 661,118.13 × 264,215.58
  4. Step 4: Simplify right side
    479,068.08x = 174,677,710,166.47
  5. Step 5: Solve for x
    x = 174,677,710,166.47/479,068.08
  6. Step 6: Final answer
    x = 364,619.81

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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.