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Finding the Fourth Proportional to 633,387.20, 950,242.80 and 446,763.20

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Solution

The fourth proportional to 633,387.20, 950,242.80 and 446,763.20 is: 670,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,387.20 : 950,242.80 = 446,763.20 : x
  2. Step 2: Convert to fraction form
    633,387.20/950,242.80 = 446,763.20/x
  3. Step 3: Cross multiply
    633,387.20x = 950,242.80 × 446,763.20
  4. Step 4: Simplify right side
    633,387.20x = 424,533,514,104.96
  5. Step 5: Solve for x
    x = 424,533,514,104.96/633,387.20
  6. Step 6: Final answer
    x = 670,259.07

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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.