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Finding the Fourth Proportional to 500,033.64, 690,048.23 and 270,590.90

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Solution

The fourth proportional to 500,033.64, 690,048.23 and 270,590.90 is: 373,416.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,033.64 : 690,048.23 = 270,590.90 : x
  2. Step 2: Convert to fraction form
    500,033.64/690,048.23 = 270,590.90/x
  3. Step 3: Cross multiply
    500,033.64x = 690,048.23 × 270,590.90
  4. Step 4: Simplify right side
    500,033.64x = 186,720,766,795.91
  5. Step 5: Solve for x
    x = 186,720,766,795.91/500,033.64
  6. Step 6: Final answer
    x = 373,416.41

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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.