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Finding the Fourth Proportional to 488,223.84, 732,612.56 and 263,581.28

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Solution

The fourth proportional to 488,223.84, 732,612.56 and 263,581.28 is: 395,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,223.84 : 732,612.56 = 263,581.28 : x
  2. Step 2: Convert to fraction form
    488,223.84/732,612.56 = 263,581.28/x
  3. Step 3: Cross multiply
    488,223.84x = 732,612.56 × 263,581.28
  4. Step 4: Simplify right side
    488,223.84x = 193,102,956,308.88
  5. Step 5: Solve for x
    x = 193,102,956,308.88/488,223.84
  6. Step 6: Final answer
    x = 395,521.36

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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.