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Finding the Fourth Proportional to 572,350.05, 789,846.12 and 357,614.64

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Solution

The fourth proportional to 572,350.05, 789,846.12 and 357,614.64 is: 493,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,350.05 : 789,846.12 = 357,614.64 : x
  2. Step 2: Convert to fraction form
    572,350.05/789,846.12 = 357,614.64/x
  3. Step 3: Cross multiply
    572,350.05x = 789,846.12 × 357,614.64
  4. Step 4: Simplify right side
    572,350.05x = 282,460,535,859.20
  5. Step 5: Solve for x
    x = 282,460,535,859.20/572,350.05
  6. Step 6: Final answer
    x = 493,510.11

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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.