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Finding the Fourth Proportional to 293,653.80, 440,189.10 and 135,606.60

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Solution

The fourth proportional to 293,653.80, 440,189.10 and 135,606.60 is: 203,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,653.80 : 440,189.10 = 135,606.60 : x
  2. Step 2: Convert to fraction form
    293,653.80/440,189.10 = 135,606.60/x
  3. Step 3: Cross multiply
    293,653.80x = 440,189.10 × 135,606.60
  4. Step 4: Simplify right side
    293,653.80x = 59,692,547,208.06
  5. Step 5: Solve for x
    x = 59,692,547,208.06/293,653.80
  6. Step 6: Final answer
    x = 203,275.24

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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.