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Finding the Fourth Proportional to 330,842.37, 496,312.76 and 153,367.32

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Solution

The fourth proportional to 330,842.37, 496,312.76 and 153,367.32 is: 230,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,842.37 : 496,312.76 = 153,367.32 : x
  2. Step 2: Convert to fraction form
    330,842.37/496,312.76 = 153,367.32/x
  3. Step 3: Cross multiply
    330,842.37x = 496,312.76 × 153,367.32
  4. Step 4: Simplify right side
    330,842.37x = 76,118,157,883.00
  5. Step 5: Solve for x
    x = 76,118,157,883.00/330,842.37
  6. Step 6: Final answer
    x = 230,073.79

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1.5x scale

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.