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Finding the Fourth Proportional to 416,690.15, 575,126.76 and 235,507.18

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Solution

The fourth proportional to 416,690.15, 575,126.76 and 235,507.18 is: 325,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,690.15 : 575,126.76 = 235,507.18 : x
  2. Step 2: Convert to fraction form
    416,690.15/575,126.76 = 235,507.18/x
  3. Step 3: Cross multiply
    416,690.15x = 575,126.76 × 235,507.18
  4. Step 4: Simplify right side
    416,690.15x = 135,446,478,514.50
  5. Step 5: Solve for x
    x = 135,446,478,514.50/416,690.15
  6. Step 6: Final answer
    x = 325,053.23

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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.