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Finding the Fourth Proportional to 583,566.51, 805,305.74 and 325,451.30

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Solution

The fourth proportional to 583,566.51, 805,305.74 and 325,451.30 is: 449,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,566.51 : 805,305.74 = 325,451.30 : x
  2. Step 2: Convert to fraction form
    583,566.51/805,305.74 = 325,451.30/x
  3. Step 3: Cross multiply
    583,566.51x = 805,305.74 × 325,451.30
  4. Step 4: Simplify right side
    583,566.51x = 262,087,802,807.36
  5. Step 5: Solve for x
    x = 262,087,802,807.36/583,566.51
  6. Step 6: Final answer
    x = 449,113.85

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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.