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Finding the Fourth Proportional to 540,409.66, 745,659.33 and 325,561.57

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Solution

The fourth proportional to 540,409.66, 745,659.33 and 325,561.57 is: 449,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,409.66 : 745,659.33 = 325,561.57 : x
  2. Step 2: Convert to fraction form
    540,409.66/745,659.33 = 325,561.57/x
  3. Step 3: Cross multiply
    540,409.66x = 745,659.33 × 325,561.57
  4. Step 4: Simplify right side
    540,409.66x = 242,758,022,159.95
  5. Step 5: Solve for x
    x = 242,758,022,159.95/540,409.66
  6. Step 6: Final answer
    x = 449,211.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.