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Finding the Fourth Proportional to 601,982.58, 830,618.99 and 356,922.07

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Solution

The fourth proportional to 601,982.58, 830,618.99 and 356,922.07 is: 492,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,982.58 : 830,618.99 = 356,922.07 : x
  2. Step 2: Convert to fraction form
    601,982.58/830,618.99 = 356,922.07/x
  3. Step 3: Cross multiply
    601,982.58x = 830,618.99 × 356,922.07
  4. Step 4: Simplify right side
    601,982.58x = 296,466,247,507.50
  5. Step 5: Solve for x
    x = 296,466,247,507.50/601,982.58
  6. Step 6: Final answer
    x = 492,483.10

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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.