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Finding the Fourth Proportional to 293,066.40, 439,599.60 and 82,701.60

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Solution

The fourth proportional to 293,066.40, 439,599.60 and 82,701.60 is: 124,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,066.40 : 439,599.60 = 82,701.60 : x
  2. Step 2: Convert to fraction form
    293,066.40/439,599.60 = 82,701.60/x
  3. Step 3: Cross multiply
    293,066.40x = 439,599.60 × 82,701.60
  4. Step 4: Simplify right side
    293,066.40x = 36,355,590,279.36
  5. Step 5: Solve for x
    x = 36,355,590,279.36/293,066.40
  6. Step 6: Final answer
    x = 124,052.40

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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.