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Finding the Fourth Proportional to 329,153.31, 454,229.15 and 185,941.35

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Solution

The fourth proportional to 329,153.31, 454,229.15 and 185,941.35 is: 256,597.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,153.31 : 454,229.15 = 185,941.35 : x
  2. Step 2: Convert to fraction form
    329,153.31/454,229.15 = 185,941.35/x
  3. Step 3: Cross multiply
    329,153.31x = 454,229.15 × 185,941.35
  4. Step 4: Simplify right side
    329,153.31x = 84,459,980,430.65
  5. Step 5: Solve for x
    x = 84,459,980,430.65/329,153.31
  6. Step 6: Final answer
    x = 256,597.69

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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.