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Finding the Fourth Proportional to 273,271.10, 407,190.08 and 243,459.86

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Solution

The fourth proportional to 273,271.10, 407,190.08 and 243,459.86 is: 362,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,271.10 : 407,190.08 = 243,459.86 : x
  2. Step 2: Convert to fraction form
    273,271.10/407,190.08 = 243,459.86/x
  3. Step 3: Cross multiply
    273,271.10x = 407,190.08 × 243,459.86
  4. Step 4: Simplify right side
    273,271.10x = 99,134,439,870.19
  5. Step 5: Solve for x
    x = 99,134,439,870.19/273,271.10
  6. Step 6: Final answer
    x = 362,769.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.