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Finding the Fourth Proportional to 601,974.52, 830,719.22 and 330,057.52

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Solution

The fourth proportional to 601,974.52, 830,719.22 and 330,057.52 is: 455,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,974.52 : 830,719.22 = 330,057.52 : x
  2. Step 2: Convert to fraction form
    601,974.52/830,719.22 = 330,057.52/x
  3. Step 3: Cross multiply
    601,974.52x = 830,719.22 × 330,057.52
  4. Step 4: Simplify right side
    601,974.52x = 274,185,125,569.53
  5. Step 5: Solve for x
    x = 274,185,125,569.53/601,974.52
  6. Step 6: Final answer
    x = 455,476.30

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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.