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Finding the Fourth Proportional to 295,607.32, 407,817.36 and 218,268.32

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Solution

The fourth proportional to 295,607.32, 407,817.36 and 218,268.32 is: 301,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,607.32 : 407,817.36 = 218,268.32 : x
  2. Step 2: Convert to fraction form
    295,607.32/407,817.36 = 218,268.32/x
  3. Step 3: Cross multiply
    295,607.32x = 407,817.36 × 218,268.32
  4. Step 4: Simplify right side
    295,607.32x = 89,013,610,034.04
  5. Step 5: Solve for x
    x = 89,013,610,034.04/295,607.32
  6. Step 6: Final answer
    x = 301,121.13

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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.