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Finding the Fourth Proportional to 654,847.32, 903,682.80 and 364,454.04

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Solution

The fourth proportional to 654,847.32, 903,682.80 and 364,454.04 is: 502,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,847.32 : 903,682.80 = 364,454.04 : x
  2. Step 2: Convert to fraction form
    654,847.32/903,682.80 = 364,454.04/x
  3. Step 3: Cross multiply
    654,847.32x = 903,682.80 × 364,454.04
  4. Step 4: Simplify right side
    654,847.32x = 329,350,847,338.51
  5. Step 5: Solve for x
    x = 329,350,847,338.51/654,847.32
  6. Step 6: Final answer
    x = 502,942.96

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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.