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Finding the Fourth Proportional to 606,947.72, 837,462.80 and 348,774.80

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Solution

The fourth proportional to 606,947.72, 837,462.80 and 348,774.80 is: 481,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,947.72 : 837,462.80 = 348,774.80 : x
  2. Step 2: Convert to fraction form
    606,947.72/837,462.80 = 348,774.80/x
  3. Step 3: Cross multiply
    606,947.72x = 837,462.80 × 348,774.80
  4. Step 4: Simplify right side
    606,947.72x = 292,085,920,577.44
  5. Step 5: Solve for x
    x = 292,085,920,577.44/606,947.72
  6. Step 6: Final answer
    x = 481,237.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.