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Finding the Fourth Proportional to 540,391.95, 745,779.51 and 298,669.32

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Solution

The fourth proportional to 540,391.95, 745,779.51 and 298,669.32 is: 412,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,391.95 : 745,779.51 = 298,669.32 : x
  2. Step 2: Convert to fraction form
    540,391.95/745,779.51 = 298,669.32/x
  3. Step 3: Cross multiply
    540,391.95x = 745,779.51 × 298,669.32
  4. Step 4: Simplify right side
    540,391.95x = 222,741,459,121.63
  5. Step 5: Solve for x
    x = 222,741,459,121.63/540,391.95
  6. Step 6: Final answer
    x = 412,185.01

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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.