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Finding the Fourth Proportional to 423,958.93, 585,035.80 and 242,672.29

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Solution

The fourth proportional to 423,958.93, 585,035.80 and 242,672.29 is: 334,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,958.93 : 585,035.80 = 242,672.29 : x
  2. Step 2: Convert to fraction form
    423,958.93/585,035.80 = 242,672.29/x
  3. Step 3: Cross multiply
    423,958.93x = 585,035.80 × 242,672.29
  4. Step 4: Simplify right side
    423,958.93x = 141,971,977,317.98
  5. Step 5: Solve for x
    x = 141,971,977,317.98/423,958.93
  6. Step 6: Final answer
    x = 334,872.01

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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.