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Finding the Fourth Proportional to 574,416.59, 792,663.84 and 316,243.26

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Solution

The fourth proportional to 574,416.59, 792,663.84 and 316,243.26 is: 436,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,416.59 : 792,663.84 = 316,243.26 : x
  2. Step 2: Convert to fraction form
    574,416.59/792,663.84 = 316,243.26/x
  3. Step 3: Cross multiply
    574,416.59x = 792,663.84 × 316,243.26
  4. Step 4: Simplify right side
    574,416.59x = 250,674,596,845.72
  5. Step 5: Solve for x
    x = 250,674,596,845.72/574,416.59
  6. Step 6: Final answer
    x = 436,398.61

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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.