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Finding the Fourth Proportional to 377,903.48, 521,543.60 and 282,244.08

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Solution

The fourth proportional to 377,903.48, 521,543.60 and 282,244.08 is: 389,524.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,903.48 : 521,543.60 = 282,244.08 : x
  2. Step 2: Convert to fraction form
    377,903.48/521,543.60 = 282,244.08/x
  3. Step 3: Cross multiply
    377,903.48x = 521,543.60 × 282,244.08
  4. Step 4: Simplify right side
    377,903.48x = 147,202,593,561.89
  5. Step 5: Solve for x
    x = 147,202,593,561.89/377,903.48
  6. Step 6: Final answer
    x = 389,524.31

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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.