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Finding the Fourth Proportional to 539,610.70, 744,663.85 and 297,893.60

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Solution

The fourth proportional to 539,610.70, 744,663.85 and 297,893.60 is: 411,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,610.70 : 744,663.85 = 297,893.60 : x
  2. Step 2: Convert to fraction form
    539,610.70/744,663.85 = 297,893.60/x
  3. Step 3: Cross multiply
    539,610.70x = 744,663.85 × 297,893.60
  4. Step 4: Simplify right side
    539,610.70x = 221,830,595,066.36
  5. Step 5: Solve for x
    x = 221,830,595,066.36/539,610.70
  6. Step 6: Final answer
    x = 411,093.77

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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.