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Finding the Fourth Proportional to 3,607,048.55, 5,406,978.03 and 1,804,429.19

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Solution

The fourth proportional to 3,607,048.55, 5,406,978.03 and 1,804,429.19 is: 2,704,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607,048.55 : 5,406,978.03 = 1,804,429.19 : x
  2. Step 2: Convert to fraction form
    3,607,048.55/5,406,978.03 = 1,804,429.19/x
  3. Step 3: Cross multiply
    3,607,048.55x = 5,406,978.03 × 1,804,429.19
  4. Step 4: Simplify right side
    3,607,048.55x = 9,756,508,959,985.81
  5. Step 5: Solve for x
    x = 9,756,508,959,985.81/3,607,048.55
  6. Step 6: Final answer
    x = 2,704,845.48

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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.