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Finding the Fourth Proportional to 539,601.46, 744,656.04 and 297,884.16

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Solution

The fourth proportional to 539,601.46, 744,656.04 and 297,884.16 is: 411,083.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,601.46 : 744,656.04 = 297,884.16 : x
  2. Step 2: Convert to fraction form
    539,601.46/744,656.04 = 297,884.16/x
  3. Step 3: Cross multiply
    539,601.46x = 744,656.04 × 297,884.16
  4. Step 4: Simplify right side
    539,601.46x = 221,821,238,964.33
  5. Step 5: Solve for x
    x = 221,821,238,964.33/539,601.46
  6. Step 6: Final answer
    x = 411,083.47

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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.