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Finding the Fourth Proportional to 407,124.55, 610,391.58 and 273,673.81

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Solution

The fourth proportional to 407,124.55, 610,391.58 and 273,673.81 is: 410,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,124.55 : 610,391.58 = 273,673.81 : x
  2. Step 2: Convert to fraction form
    407,124.55/610,391.58 = 273,673.81/x
  3. Step 3: Cross multiply
    407,124.55x = 610,391.58 × 273,673.81
  4. Step 4: Simplify right side
    407,124.55x = 167,048,189,290.52
  5. Step 5: Solve for x
    x = 167,048,189,290.52/407,124.55
  6. Step 6: Final answer
    x = 410,312.25

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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.