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Finding the Fourth Proportional to 500,512.94, 750,451.22 and 424,637.63

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Solution

The fourth proportional to 500,512.94, 750,451.22 and 424,637.63 is: 636,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,512.94 : 750,451.22 = 424,637.63 : x
  2. Step 2: Convert to fraction form
    500,512.94/750,451.22 = 424,637.63/x
  3. Step 3: Cross multiply
    500,512.94x = 750,451.22 × 424,637.63
  4. Step 4: Simplify right side
    500,512.94x = 318,669,821,615.96
  5. Step 5: Solve for x
    x = 318,669,821,615.96/500,512.94
  6. Step 6: Final answer
    x = 636,686.49

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1.5x scale

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.