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Finding the Fourth Proportional to 295,637.60, 443,456.40 and 201,159.20

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Solution

The fourth proportional to 295,637.60, 443,456.40 and 201,159.20 is: 301,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,637.60 : 443,456.40 = 201,159.20 : x
  2. Step 2: Convert to fraction form
    295,637.60/443,456.40 = 201,159.20/x
  3. Step 3: Cross multiply
    295,637.60x = 443,456.40 × 201,159.20
  4. Step 4: Simplify right side
    295,637.60x = 89,205,334,658.88
  5. Step 5: Solve for x
    x = 89,205,334,658.88/295,637.60
  6. Step 6: Final answer
    x = 301,738.80

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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.