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Finding the Fourth Proportional to 295,664.80, 443,497.20 and 293,040.40

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Solution

The fourth proportional to 295,664.80, 443,497.20 and 293,040.40 is: 439,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,664.80 : 443,497.20 = 293,040.40 : x
  2. Step 2: Convert to fraction form
    295,664.80/443,497.20 = 293,040.40/x
  3. Step 3: Cross multiply
    295,664.80x = 443,497.20 × 293,040.40
  4. Step 4: Simplify right side
    295,664.80x = 129,962,596,886.88
  5. Step 5: Solve for x
    x = 129,962,596,886.88/295,664.80
  6. Step 6: Final answer
    x = 439,560.60

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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.