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Finding the Fourth Proportional to 364,512.19, 503,041.40 and 203,381.32

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Solution

The fourth proportional to 364,512.19, 503,041.40 and 203,381.32 is: 280,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,512.19 : 503,041.40 = 203,381.32 : x
  2. Step 2: Convert to fraction form
    364,512.19/503,041.40 = 203,381.32/x
  3. Step 3: Cross multiply
    364,512.19x = 503,041.40 × 203,381.32
  4. Step 4: Simplify right side
    364,512.19x = 102,309,223,946.65
  5. Step 5: Solve for x
    x = 102,309,223,946.65/364,512.19
  6. Step 6: Final answer
    x = 280,674.36

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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.