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Finding the Fourth Proportional to 329,802.42, 455,126.52 and 178,899.42

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Solution

The fourth proportional to 329,802.42, 455,126.52 and 178,899.42 is: 246,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,802.42 : 455,126.52 = 178,899.42 : x
  2. Step 2: Convert to fraction form
    329,802.42/455,126.52 = 178,899.42/x
  3. Step 3: Cross multiply
    329,802.42x = 455,126.52 × 178,899.42
  4. Step 4: Simplify right side
    329,802.42x = 81,421,870,454.62
  5. Step 5: Solve for x
    x = 81,421,870,454.62/329,802.42
  6. Step 6: Final answer
    x = 246,880.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.