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Finding the Fourth Proportional to 348,223.64, 480,648.26 and 205,066.72

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Solution

The fourth proportional to 348,223.64, 480,648.26 and 205,066.72 is: 283,050.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,223.64 : 480,648.26 = 205,066.72 : x
  2. Step 2: Convert to fraction form
    348,223.64/480,648.26 = 205,066.72/x
  3. Step 3: Cross multiply
    348,223.64x = 480,648.26 × 205,066.72
  4. Step 4: Simplify right side
    348,223.64x = 98,564,959,748.67
  5. Step 5: Solve for x
    x = 98,564,959,748.67/348,223.64
  6. Step 6: Final answer
    x = 283,050.75

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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.