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Finding the Fourth Proportional to 601,984.58, 830,621.74 and 356,924.07

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Solution

The fourth proportional to 601,984.58, 830,621.74 and 356,924.07 is: 492,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,984.58 : 830,621.74 = 356,924.07 : x
  2. Step 2: Convert to fraction form
    601,984.58/830,621.74 = 356,924.07/x
  3. Step 3: Cross multiply
    601,984.58x = 830,621.74 × 356,924.07
  4. Step 4: Simplify right side
    601,984.58x = 296,468,892,071.28
  5. Step 5: Solve for x
    x = 296,468,892,071.28/601,984.58
  6. Step 6: Final answer
    x = 492,485.86

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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.