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Finding the Fourth Proportional to 574,305.50, 792,511.49 and 316,132.01

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Solution

The fourth proportional to 574,305.50, 792,511.49 and 316,132.01 is: 436,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,305.50 : 792,511.49 = 316,132.01 : x
  2. Step 2: Convert to fraction form
    574,305.50/792,511.49 = 316,132.01/x
  3. Step 3: Cross multiply
    574,305.50x = 792,511.49 × 316,132.01
  4. Step 4: Simplify right side
    574,305.50x = 250,538,254,539.36
  5. Step 5: Solve for x
    x = 250,538,254,539.36/574,305.50
  6. Step 6: Final answer
    x = 436,245.61

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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.