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Finding the Fourth Proportional to 392,235.23, 541,267.57 and 217,794.58

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Solution

The fourth proportional to 392,235.23, 541,267.57 and 217,794.58 is: 300,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,235.23 : 541,267.57 = 217,794.58 : x
  2. Step 2: Convert to fraction form
    392,235.23/541,267.57 = 217,794.58/x
  3. Step 3: Cross multiply
    392,235.23x = 541,267.57 × 217,794.58
  4. Step 4: Simplify right side
    392,235.23x = 117,885,143,075.77
  5. Step 5: Solve for x
    x = 117,885,143,075.77/392,235.23
  6. Step 6: Final answer
    x = 300,547.05

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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.