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Finding the Fourth Proportional to 293,602.80, 440,404.20 and 223,618.80

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Solution

The fourth proportional to 293,602.80, 440,404.20 and 223,618.80 is: 335,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,602.80 : 440,404.20 = 223,618.80 : x
  2. Step 2: Convert to fraction form
    293,602.80/440,404.20 = 223,618.80/x
  3. Step 3: Cross multiply
    293,602.80x = 440,404.20 × 223,618.80
  4. Step 4: Simplify right side
    293,602.80x = 98,482,658,718.96
  5. Step 5: Solve for x
    x = 98,482,658,718.96/293,602.80
  6. Step 6: Final answer
    x = 335,428.20

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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.