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Finding the Fourth Proportional to 436,416.75, 602,245.67 and 252,663.07

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Solution

The fourth proportional to 436,416.75, 602,245.67 and 252,663.07 is: 348,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,416.75 : 602,245.67 = 252,663.07 : x
  2. Step 2: Convert to fraction form
    436,416.75/602,245.67 = 252,663.07/x
  3. Step 3: Cross multiply
    436,416.75x = 602,245.67 × 252,663.07
  4. Step 4: Simplify right side
    436,416.75x = 152,165,235,601.86
  5. Step 5: Solve for x
    x = 152,165,235,601.86/436,416.75
  6. Step 6: Final answer
    x = 348,669.56

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Half scale
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Double scale
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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.