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Finding the Fourth Proportional to 293,389.60, 440,181.60 and 93,740.80

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Solution

The fourth proportional to 293,389.60, 440,181.60 and 93,740.80 is: 140,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,389.60 : 440,181.60 = 93,740.80 : x
  2. Step 2: Convert to fraction form
    293,389.60/440,181.60 = 93,740.80/x
  3. Step 3: Cross multiply
    293,389.60x = 440,181.60 × 93,740.80
  4. Step 4: Simplify right side
    293,389.60x = 41,262,975,329.28
  5. Step 5: Solve for x
    x = 41,262,975,329.28/293,389.60
  6. Step 6: Final answer
    x = 140,642.26

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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.