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Finding the Fourth Proportional to 583,245.56, 804,878.89 and 314,973.56

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Solution

The fourth proportional to 583,245.56, 804,878.89 and 314,973.56 is: 434,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,245.56 : 804,878.89 = 314,973.56 : x
  2. Step 2: Convert to fraction form
    583,245.56/804,878.89 = 314,973.56/x
  3. Step 3: Cross multiply
    583,245.56x = 804,878.89 × 314,973.56
  4. Step 4: Simplify right side
    583,245.56x = 253,515,570,576.91
  5. Step 5: Solve for x
    x = 253,515,570,576.91/583,245.56
  6. Step 6: Final answer
    x = 434,663.52

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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.