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Finding the Fourth Proportional to 354,729.60, 532,094.40 and 322,070.40

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Solution

The fourth proportional to 354,729.60, 532,094.40 and 322,070.40 is: 483,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,729.60 : 532,094.40 = 322,070.40 : x
  2. Step 2: Convert to fraction form
    354,729.60/532,094.40 = 322,070.40/x
  3. Step 3: Cross multiply
    354,729.60x = 532,094.40 × 322,070.40
  4. Step 4: Simplify right side
    354,729.60x = 171,371,856,245.76
  5. Step 5: Solve for x
    x = 171,371,856,245.76/354,729.60
  6. Step 6: Final answer
    x = 483,105.60

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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.