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Finding the Fourth Proportional to 458,684.57, 633,005.72 and 254,736.42

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Solution

The fourth proportional to 458,684.57, 633,005.72 and 254,736.42 is: 351,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,684.57 : 633,005.72 = 254,736.42 : x
  2. Step 2: Convert to fraction form
    458,684.57/633,005.72 = 254,736.42/x
  3. Step 3: Cross multiply
    458,684.57x = 633,005.72 × 254,736.42
  4. Step 4: Simplify right side
    458,684.57x = 161,249,609,678.64
  5. Step 5: Solve for x
    x = 161,249,609,678.64/458,684.57
  6. Step 6: Final answer
    x = 351,547.93

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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.