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Finding the Fourth Proportional to 6,590,635.72, 9,878,978.29 and 2,998,924.93

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Solution

The fourth proportional to 6,590,635.72, 9,878,978.29 and 2,998,924.93 is: 4,495,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590,635.72 : 9,878,978.29 = 2,998,924.93 : x
  2. Step 2: Convert to fraction form
    6,590,635.72/9,878,978.29 = 2,998,924.93/x
  3. Step 3: Cross multiply
    6,590,635.72x = 9,878,978.29 × 2,998,924.93
  4. Step 4: Simplify right side
    6,590,635.72x = 29,626,314,212,420.25
  5. Step 5: Solve for x
    x = 29,626,314,212,420.25/6,590,635.72
  6. Step 6: Final answer
    x = 4,495,213.44

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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.