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Finding the Fourth Proportional to 295,903.84, 443,739.04 and 127,436.80

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Solution

The fourth proportional to 295,903.84, 443,739.04 and 127,436.80 is: 191,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,903.84 : 443,739.04 = 127,436.80 : x
  2. Step 2: Convert to fraction form
    295,903.84/443,739.04 = 127,436.80/x
  3. Step 3: Cross multiply
    295,903.84x = 443,739.04 × 127,436.80
  4. Step 4: Simplify right side
    295,903.84x = 56,548,683,292.67
  5. Step 5: Solve for x
    x = 56,548,683,292.67/295,903.84
  6. Step 6: Final answer
    x = 191,104.93

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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.