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Finding the Fourth Proportional to 370,735.48, 556,180.98 and 160,403.32

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Solution

The fourth proportional to 370,735.48, 556,180.98 and 160,403.32 is: 240,638.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,735.48 : 556,180.98 = 160,403.32 : x
  2. Step 2: Convert to fraction form
    370,735.48/556,180.98 = 160,403.32/x
  3. Step 3: Cross multiply
    370,735.48x = 556,180.98 × 160,403.32
  4. Step 4: Simplify right side
    370,735.48x = 89,213,275,712.85
  5. Step 5: Solve for x
    x = 89,213,275,712.85/370,735.48
  6. Step 6: Final answer
    x = 240,638.62

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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.