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Finding the Fourth Proportional to 666,575.92, 919,871.04 and 360,651.52

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Solution

The fourth proportional to 666,575.92, 919,871.04 and 360,651.52 is: 497,697.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,575.92 : 919,871.04 = 360,651.52 : x
  2. Step 2: Convert to fraction form
    666,575.92/919,871.04 = 360,651.52/x
  3. Step 3: Cross multiply
    666,575.92x = 919,871.04 × 360,651.52
  4. Step 4: Simplify right side
    666,575.92x = 331,752,888,779.98
  5. Step 5: Solve for x
    x = 331,752,888,779.98/666,575.92
  6. Step 6: Final answer
    x = 497,697.08

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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.