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Finding the Fourth Proportional to 330,841.87, 496,312.01 and 153,366.82

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Solution

The fourth proportional to 330,841.87, 496,312.01 and 153,366.82 is: 230,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,841.87 : 496,312.01 = 153,366.82 : x
  2. Step 2: Convert to fraction form
    330,841.87/496,312.01 = 153,366.82/x
  3. Step 3: Cross multiply
    330,841.87x = 496,312.01 × 153,366.82
  4. Step 4: Simplify right side
    330,841.87x = 76,117,794,701.51
  5. Step 5: Solve for x
    x = 76,117,794,701.51/330,841.87
  6. Step 6: Final answer
    x = 230,073.04

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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.