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Finding the Fourth Proportional to 293,598.80, 440,412.60 and 153,630.80

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Solution

The fourth proportional to 293,598.80, 440,412.60 and 153,630.80 is: 230,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,598.80 : 440,412.60 = 153,630.80 : x
  2. Step 2: Convert to fraction form
    293,598.80/440,412.60 = 153,630.80/x
  3. Step 3: Cross multiply
    293,598.80x = 440,412.60 × 153,630.80
  4. Step 4: Simplify right side
    293,598.80x = 67,660,940,068.08
  5. Step 5: Solve for x
    x = 67,660,940,068.08/293,598.80
  6. Step 6: Final answer
    x = 230,453.74

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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.