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Finding the Fourth Proportional to 500,191.52, 690,266.32 and 273,858.08

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Solution

The fourth proportional to 500,191.52, 690,266.32 and 273,858.08 is: 377,925.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,191.52 : 690,266.32 = 273,858.08 : x
  2. Step 2: Convert to fraction form
    500,191.52/690,266.32 = 273,858.08/x
  3. Step 3: Cross multiply
    500,191.52x = 690,266.32 × 273,858.08
  4. Step 4: Simplify right side
    500,191.52x = 189,035,009,083.87
  5. Step 5: Solve for x
    x = 189,035,009,083.87/500,191.52
  6. Step 6: Final answer
    x = 377,925.26

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1.5x scale

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.