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Finding the Fourth Proportional to 324,840.40, 487,260.60 and 184,872.40

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Solution

The fourth proportional to 324,840.40, 487,260.60 and 184,872.40 is: 277,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,840.40 : 487,260.60 = 184,872.40 : x
  2. Step 2: Convert to fraction form
    324,840.40/487,260.60 = 184,872.40/x
  3. Step 3: Cross multiply
    324,840.40x = 487,260.60 × 184,872.40
  4. Step 4: Simplify right side
    324,840.40x = 90,081,036,547.44
  5. Step 5: Solve for x
    x = 90,081,036,547.44/324,840.40
  6. Step 6: Final answer
    x = 277,308.60

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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.