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Finding the Fourth Proportional to 342,584.32, 472,779.52 and 191,678.08

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Solution

The fourth proportional to 342,584.32, 472,779.52 and 191,678.08 is: 264,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,584.32 : 472,779.52 = 191,678.08 : x
  2. Step 2: Convert to fraction form
    342,584.32/472,779.52 = 191,678.08/x
  3. Step 3: Cross multiply
    342,584.32x = 472,779.52 × 191,678.08
  4. Step 4: Simplify right side
    342,584.32x = 90,621,470,656.92
  5. Step 5: Solve for x
    x = 90,621,470,656.92/342,584.32
  6. Step 6: Final answer
    x = 264,523.11

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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.