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Finding the Fourth Proportional to 353,040.60, 529,560.90 and 246,752.40

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Solution

The fourth proportional to 353,040.60, 529,560.90 and 246,752.40 is: 370,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,040.60 : 529,560.90 = 246,752.40 : x
  2. Step 2: Convert to fraction form
    353,040.60/529,560.90 = 246,752.40/x
  3. Step 3: Cross multiply
    353,040.60x = 529,560.90 × 246,752.40
  4. Step 4: Simplify right side
    353,040.60x = 130,670,423,021.16
  5. Step 5: Solve for x
    x = 130,670,423,021.16/353,040.60
  6. Step 6: Final answer
    x = 370,128.60

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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.