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Finding the Fourth Proportional to 539,561.19, 744,585.48 and 297,837.51

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Solution

The fourth proportional to 539,561.19, 744,585.48 and 297,837.51 is: 411,010.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,561.19 : 744,585.48 = 297,837.51 : x
  2. Step 2: Convert to fraction form
    539,561.19/744,585.48 = 297,837.51/x
  3. Step 3: Cross multiply
    539,561.19x = 744,585.48 × 297,837.51
  4. Step 4: Simplify right side
    539,561.19x = 221,765,485,345.36
  5. Step 5: Solve for x
    x = 221,765,485,345.36/539,561.19
  6. Step 6: Final answer
    x = 411,010.82

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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.