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Finding the Fourth Proportional to 357,962.37, 537,187.77 and 189,475.89

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Solution

The fourth proportional to 357,962.37, 537,187.77 and 189,475.89 is: 284,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,962.37 : 537,187.77 = 189,475.89 : x
  2. Step 2: Convert to fraction form
    357,962.37/537,187.77 = 189,475.89/x
  3. Step 3: Cross multiply
    357,962.37x = 537,187.77 × 189,475.89
  4. Step 4: Simplify right side
    357,962.37x = 101,784,130,817.87
  5. Step 5: Solve for x
    x = 101,784,130,817.87/357,962.37
  6. Step 6: Final answer
    x = 284,343.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.