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Finding the Fourth Proportional to 293,205.60, 439,808.40 and 223,221.60

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Solution

The fourth proportional to 293,205.60, 439,808.40 and 223,221.60 is: 334,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,205.60 : 439,808.40 = 223,221.60 : x
  2. Step 2: Convert to fraction form
    293,205.60/439,808.40 = 223,221.60/x
  3. Step 3: Cross multiply
    293,205.60x = 439,808.40 × 223,221.60
  4. Step 4: Simplify right side
    293,205.60x = 98,174,734,741.44
  5. Step 5: Solve for x
    x = 98,174,734,741.44/293,205.60
  6. Step 6: Final answer
    x = 334,832.40

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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.