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Finding the Fourth Proportional to 807,487.88, 1,114,327.77 and 444,903.32

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Solution

The fourth proportional to 807,487.88, 1,114,327.77 and 444,903.32 is: 613,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,487.88 : 1,114,327.77 = 444,903.32 : x
  2. Step 2: Convert to fraction form
    807,487.88/1,114,327.77 = 444,903.32/x
  3. Step 3: Cross multiply
    807,487.88x = 1,114,327.77 × 444,903.32
  4. Step 4: Simplify right side
    807,487.88x = 495,768,118,869.56
  5. Step 5: Solve for x
    x = 495,768,118,869.56/807,487.88
  6. Step 6: Final answer
    x = 613,963.55

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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.