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Finding the Fourth Proportional to 601,932.35, 830,648.66 and 329,990.92

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Solution

The fourth proportional to 601,932.35, 830,648.66 and 329,990.92 is: 455,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,932.35 : 830,648.66 = 329,990.92 : x
  2. Step 2: Convert to fraction form
    601,932.35/830,648.66 = 329,990.92/x
  3. Step 3: Cross multiply
    601,932.35x = 830,648.66 × 329,990.92
  4. Step 4: Simplify right side
    601,932.35x = 274,106,511,783.59
  5. Step 5: Solve for x
    x = 274,106,511,783.59/601,932.35
  6. Step 6: Final answer
    x = 455,377.60

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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.