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Finding the Fourth Proportional to 344,178, 515,161.44 and 183,853.08

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Solution

The fourth proportional to 344,178, 515,161.44 and 183,853.08 is: 275,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,178 : 515,161.44 = 183,853.08 : x
  2. Step 2: Convert to fraction form
    344,178/515,161.44 = 183,853.08/x
  3. Step 3: Cross multiply
    344,178x = 515,161.44 × 183,853.08
  4. Step 4: Simplify right side
    344,178x = 94,714,017,441.24
  5. Step 5: Solve for x
    x = 94,714,017,441.24/344,178
  6. Step 6: Final answer
    x = 275,189.05

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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.