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Finding the Fourth Proportional to 348,615.60, 522,923.40 and 304,328.85

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Solution

The fourth proportional to 348,615.60, 522,923.40 and 304,328.85 is: 456,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,615.60 : 522,923.40 = 304,328.85 : x
  2. Step 2: Convert to fraction form
    348,615.60/522,923.40 = 304,328.85/x
  3. Step 3: Cross multiply
    348,615.60x = 522,923.40 × 304,328.85
  4. Step 4: Simplify right side
    348,615.60x = 159,140,676,960.09
  5. Step 5: Solve for x
    x = 159,140,676,960.09/348,615.60
  6. Step 6: Final answer
    x = 456,493.28

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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.