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Finding the Fourth Proportional to 539,561.69, 744,590.94 and 297,844.19

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Solution

The fourth proportional to 539,561.69, 744,590.94 and 297,844.19 is: 411,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,561.69 : 744,590.94 = 297,844.19 : x
  2. Step 2: Convert to fraction form
    539,561.69/744,590.94 = 297,844.19/x
  3. Step 3: Cross multiply
    539,561.69x = 744,590.94 × 297,844.19
  4. Step 4: Simplify right side
    539,561.69x = 221,772,081,682.68
  5. Step 5: Solve for x
    x = 221,772,081,682.68/539,561.69
  6. Step 6: Final answer
    x = 411,022.66

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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.