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Finding the Fourth Proportional to 572,350.52, 789,846.84 and 357,615.20

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Solution

The fourth proportional to 572,350.52, 789,846.84 and 357,615.20 is: 493,510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,350.52 : 789,846.84 = 357,615.20 : x
  2. Step 2: Convert to fraction form
    572,350.52/789,846.84 = 357,615.20/x
  3. Step 3: Cross multiply
    572,350.52x = 789,846.84 × 357,615.20
  4. Step 4: Simplify right side
    572,350.52x = 282,461,235,655.97
  5. Step 5: Solve for x
    x = 282,461,235,655.97/572,350.52
  6. Step 6: Final answer
    x = 493,510.93

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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.