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Finding the Fourth Proportional to 668,092.26, 1,000,345.04 and 561,804.06

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Solution

The fourth proportional to 668,092.26, 1,000,345.04 and 561,804.06 is: 841,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,092.26 : 1,000,345.04 = 561,804.06 : x
  2. Step 2: Convert to fraction form
    668,092.26/1,000,345.04 = 561,804.06/x
  3. Step 3: Cross multiply
    668,092.26x = 1,000,345.04 × 561,804.06
  4. Step 4: Simplify right side
    668,092.26x = 561,997,904,872.86
  5. Step 5: Solve for x
    x = 561,997,904,872.86/668,092.26
  6. Step 6: Final answer
    x = 841,198.05

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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.