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Finding the Fourth Proportional to 666,095.16, 919,192.50 and 364,282.68

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Solution

The fourth proportional to 666,095.16, 919,192.50 and 364,282.68 is: 502,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,095.16 : 919,192.50 = 364,282.68 : x
  2. Step 2: Convert to fraction form
    666,095.16/919,192.50 = 364,282.68/x
  3. Step 3: Cross multiply
    666,095.16x = 919,192.50 × 364,282.68
  4. Step 4: Simplify right side
    666,095.16x = 334,845,907,335.90
  5. Step 5: Solve for x
    x = 334,845,907,335.90/666,095.16
  6. Step 6: Final answer
    x = 502,699.81

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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.