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Finding the Fourth Proportional to 539,223.23, 744,093.51 and 297,505.78

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Solution

The fourth proportional to 539,223.23, 744,093.51 and 297,505.78 is: 410,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,223.23 : 744,093.51 = 297,505.78 : x
  2. Step 2: Convert to fraction form
    539,223.23/744,093.51 = 297,505.78/x
  3. Step 3: Cross multiply
    539,223.23x = 744,093.51 × 297,505.78
  4. Step 4: Simplify right side
    539,223.23x = 221,372,120,085.49
  5. Step 5: Solve for x
    x = 221,372,120,085.49/539,223.23
  6. Step 6: Final answer
    x = 410,538.92

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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.