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Finding the Fourth Proportional to 561,000.42, 774,236.58 and 334,645.92

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Solution

The fourth proportional to 561,000.42, 774,236.58 and 334,645.92 is: 461,844.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,000.42 : 774,236.58 = 334,645.92 : x
  2. Step 2: Convert to fraction form
    561,000.42/774,236.58 = 334,645.92/x
  3. Step 3: Cross multiply
    561,000.42x = 774,236.58 × 334,645.92
  4. Step 4: Simplify right side
    561,000.42x = 259,095,112,611.75
  5. Step 5: Solve for x
    x = 259,095,112,611.75/561,000.42
  6. Step 6: Final answer
    x = 461,844.77

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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.