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Finding the Fourth Proportional to 439,980.76, 607,182.54 and 248,994.12

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Solution

The fourth proportional to 439,980.76, 607,182.54 and 248,994.12 is: 343,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,980.76 : 607,182.54 = 248,994.12 : x
  2. Step 2: Convert to fraction form
    439,980.76/607,182.54 = 248,994.12/x
  3. Step 3: Cross multiply
    439,980.76x = 607,182.54 × 248,994.12
  4. Step 4: Simplify right side
    439,980.76x = 151,184,882,226.67
  5. Step 5: Solve for x
    x = 151,184,882,226.67/439,980.76
  6. Step 6: Final answer
    x = 343,617.03

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.