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Finding the Fourth Proportional to 575,905.34, 794,786.58 and 330,968.90

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Solution

The fourth proportional to 575,905.34, 794,786.58 and 330,968.90 is: 456,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,905.34 : 794,786.58 = 330,968.90 : x
  2. Step 2: Convert to fraction form
    575,905.34/794,786.58 = 330,968.90/x
  3. Step 3: Cross multiply
    575,905.34x = 794,786.58 × 330,968.90
  4. Step 4: Simplify right side
    575,905.34x = 263,049,642,104.33
  5. Step 5: Solve for x
    x = 263,049,642,104.33/575,905.34
  6. Step 6: Final answer
    x = 456,758.47

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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.