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Finding the Fourth Proportional to 6,249,865.78, 9,375,548.73 and 2,205,518.50

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Solution

The fourth proportional to 6,249,865.78, 9,375,548.73 and 2,205,518.50 is: 3,308,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249,865.78 : 9,375,548.73 = 2,205,518.50 : x
  2. Step 2: Convert to fraction form
    6,249,865.78/9,375,548.73 = 2,205,518.50/x
  3. Step 3: Cross multiply
    6,249,865.78x = 9,375,548.73 × 2,205,518.50
  4. Step 4: Simplify right side
    6,249,865.78x = 20,677,946,171,666.51
  5. Step 5: Solve for x
    x = 20,677,946,171,666.51/6,249,865.78
  6. Step 6: Final answer
    x = 3,308,542.44

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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.