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Finding the Fourth Proportional to 583,912.98, 805,798.80 and 325,774.58

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Solution

The fourth proportional to 583,912.98, 805,798.80 and 325,774.58 is: 449,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,912.98 : 805,798.80 = 325,774.58 : x
  2. Step 2: Convert to fraction form
    583,912.98/805,798.80 = 325,774.58/x
  3. Step 3: Cross multiply
    583,912.98x = 805,798.80 × 325,774.58
  4. Step 4: Simplify right side
    583,912.98x = 262,508,761,605.51
  5. Step 5: Solve for x
    x = 262,508,761,605.51/583,912.98
  6. Step 6: Final answer
    x = 449,568.29

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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.