Home / 372,151.20-558,226.80-352,905.60

Finding the Fourth Proportional to 372,151.20, 558,226.80 and 352,905.60

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Solution

The fourth proportional to 372,151.20, 558,226.80 and 352,905.60 is: 529,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,151.20 : 558,226.80 = 352,905.60 : x
  2. Step 2: Convert to fraction form
    372,151.20/558,226.80 = 352,905.60/x
  3. Step 3: Cross multiply
    372,151.20x = 558,226.80 × 352,905.60
  4. Step 4: Simplify right side
    372,151.20x = 197,001,363,790.08
  5. Step 5: Solve for x
    x = 197,001,363,790.08/372,151.20
  6. Step 6: Final answer
    x = 529,358.40

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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.