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Finding the Fourth Proportional to 490,703.40, 736,273.80 and 224,326.80

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Solution

The fourth proportional to 490,703.40, 736,273.80 and 224,326.80 is: 336,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,703.40 : 736,273.80 = 224,326.80 : x
  2. Step 2: Convert to fraction form
    490,703.40/736,273.80 = 224,326.80/x
  3. Step 3: Cross multiply
    490,703.40x = 736,273.80 × 224,326.80
  4. Step 4: Simplify right side
    490,703.40x = 165,165,945,477.84
  5. Step 5: Solve for x
    x = 165,165,945,477.84/490,703.40
  6. Step 6: Final answer
    x = 336,590.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.