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Finding the Fourth Proportional to 344,521.76, 475,479.44 and 191,575.20

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Solution

The fourth proportional to 344,521.76, 475,479.44 and 191,575.20 is: 264,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,521.76 : 475,479.44 = 191,575.20 : x
  2. Step 2: Convert to fraction form
    344,521.76/475,479.44 = 191,575.20/x
  3. Step 3: Cross multiply
    344,521.76x = 475,479.44 × 191,575.20
  4. Step 4: Simplify right side
    344,521.76x = 91,090,068,813.89
  5. Step 5: Solve for x
    x = 91,090,068,813.89/344,521.76
  6. Step 6: Final answer
    x = 264,395.69

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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.