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Finding the Fourth Proportional to 293,596.80, 440,308.80 and 83,253.12

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Solution

The fourth proportional to 293,596.80, 440,308.80 and 83,253.12 is: 124,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,596.80 : 440,308.80 = 83,253.12 : x
  2. Step 2: Convert to fraction form
    293,596.80/440,308.80 = 83,253.12/x
  3. Step 3: Cross multiply
    293,596.80x = 440,308.80 × 83,253.12
  4. Step 4: Simplify right side
    293,596.80x = 36,657,081,363.46
  5. Step 5: Solve for x
    x = 36,657,081,363.46/293,596.80
  6. Step 6: Final answer
    x = 124,855.18

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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.