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Finding the Fourth Proportional to 601,981.58, 830,617.61 and 356,921.07

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Solution

The fourth proportional to 601,981.58, 830,617.61 and 356,921.07 is: 492,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,981.58 : 830,617.61 = 356,921.07 : x
  2. Step 2: Convert to fraction form
    601,981.58/830,617.61 = 356,921.07/x
  3. Step 3: Cross multiply
    601,981.58x = 830,617.61 × 356,921.07
  4. Step 4: Simplify right side
    601,981.58x = 296,464,924,337.44
  5. Step 5: Solve for x
    x = 296,464,924,337.44/601,981.58
  6. Step 6: Final answer
    x = 492,481.72

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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.