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Finding the Fourth Proportional to 2,636,267.55, 3,952,978.54 and 1,196,165.11

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Solution

The fourth proportional to 2,636,267.55, 3,952,978.54 and 1,196,165.11 is: 1,793,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,267.55 : 3,952,978.54 = 1,196,165.11 : x
  2. Step 2: Convert to fraction form
    2,636,267.55/3,952,978.54 = 1,196,165.11/x
  3. Step 3: Cross multiply
    2,636,267.55x = 3,952,978.54 × 1,196,165.11
  4. Step 4: Simplify right side
    2,636,267.55x = 4,728,415,010,126.74
  5. Step 5: Solve for x
    x = 4,728,415,010,126.74/2,636,267.55
  6. Step 6: Final answer
    x = 1,793,602.10

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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.