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Finding the Fourth Proportional to 539,187.03, 744,083.82 and 297,478.17

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Solution

The fourth proportional to 539,187.03, 744,083.82 and 297,478.17 is: 410,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,187.03 : 744,083.82 = 297,478.17 : x
  2. Step 2: Convert to fraction form
    539,187.03/744,083.82 = 297,478.17/x
  3. Step 3: Cross multiply
    539,187.03x = 744,083.82 × 297,478.17
  4. Step 4: Simplify right side
    539,187.03x = 221,348,693,100.21
  5. Step 5: Solve for x
    x = 221,348,693,100.21/539,187.03
  6. Step 6: Final answer
    x = 410,523.03

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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.