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Finding the Fourth Proportional to 574,477.41, 792,778.82 and 319,888.65

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Solution

The fourth proportional to 574,477.41, 792,778.82 and 319,888.65 is: 441,446.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,477.41 : 792,778.82 = 319,888.65 : x
  2. Step 2: Convert to fraction form
    574,477.41/792,778.82 = 319,888.65/x
  3. Step 3: Cross multiply
    574,477.41x = 792,778.82 × 319,888.65
  4. Step 4: Simplify right side
    574,477.41x = 253,600,944,878.95
  5. Step 5: Solve for x
    x = 253,600,944,878.95/574,477.41
  6. Step 6: Final answer
    x = 441,446.33

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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.