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Finding the Fourth Proportional to 606,688.75, 837,230.48 and 338,416.75

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Solution

The fourth proportional to 606,688.75, 837,230.48 and 338,416.75 is: 467,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,688.75 : 837,230.48 = 338,416.75 : x
  2. Step 2: Convert to fraction form
    606,688.75/837,230.48 = 338,416.75/x
  3. Step 3: Cross multiply
    606,688.75x = 837,230.48 × 338,416.75
  4. Step 4: Simplify right side
    606,688.75x = 283,332,818,042.54
  5. Step 5: Solve for x
    x = 283,332,818,042.54/606,688.75
  6. Step 6: Final answer
    x = 467,015.12

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Half scale
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Double scale
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Similar ratio
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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.