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Finding the Fourth Proportional to 572,362.58, 789,863.40 and 357,627.14

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Solution

The fourth proportional to 572,362.58, 789,863.40 and 357,627.14 is: 493,527.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,362.58 : 789,863.40 = 357,627.14 : x
  2. Step 2: Convert to fraction form
    572,362.58/789,863.40 = 357,627.14/x
  3. Step 3: Cross multiply
    572,362.58x = 789,863.40 × 357,627.14
  4. Step 4: Simplify right side
    572,362.58x = 282,476,588,732.68
  5. Step 5: Solve for x
    x = 282,476,588,732.68/572,362.58
  6. Step 6: Final answer
    x = 493,527.35

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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.