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Finding the Fourth Proportional to 301,902.53, 416,664.90 and 194,784.17

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Solution

The fourth proportional to 301,902.53, 416,664.90 and 194,784.17 is: 268,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,902.53 : 416,664.90 = 194,784.17 : x
  2. Step 2: Convert to fraction form
    301,902.53/416,664.90 = 194,784.17/x
  3. Step 3: Cross multiply
    301,902.53x = 416,664.90 × 194,784.17
  4. Step 4: Simplify right side
    301,902.53x = 81,159,725,740.71
  5. Step 5: Solve for x
    x = 81,159,725,740.71/301,902.53
  6. Step 6: Final answer
    x = 268,827.58

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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.