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Finding the Fourth Proportional to 364,382.30, 502,712.02 and 211,334.67

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Solution

The fourth proportional to 364,382.30, 502,712.02 and 211,334.67 is: 291,563.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,382.30 : 502,712.02 = 211,334.67 : x
  2. Step 2: Convert to fraction form
    364,382.30/502,712.02 = 211,334.67/x
  3. Step 3: Cross multiply
    364,382.30x = 502,712.02 × 211,334.67
  4. Step 4: Simplify right side
    364,382.30x = 106,240,479,115.90
  5. Step 5: Solve for x
    x = 106,240,479,115.90/364,382.30
  6. Step 6: Final answer
    x = 291,563.23

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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.