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Finding the Fourth Proportional to 673,542.72, 1,008,877.62 and 544,907.01

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Solution

The fourth proportional to 673,542.72, 1,008,877.62 and 544,907.01 is: 816,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,542.72 : 1,008,877.62 = 544,907.01 : x
  2. Step 2: Convert to fraction form
    673,542.72/1,008,877.62 = 544,907.01/x
  3. Step 3: Cross multiply
    673,542.72x = 1,008,877.62 × 544,907.01
  4. Step 4: Simplify right side
    673,542.72x = 549,744,487,370.12
  5. Step 5: Solve for x
    x = 549,744,487,370.12/673,542.72
  6. Step 6: Final answer
    x = 816,198.40

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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.