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Finding the Fourth Proportional to 539,522.99, 744,527.59 and 297,800.36

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Solution

The fourth proportional to 539,522.99, 744,527.59 and 297,800.36 is: 410,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,522.99 : 744,527.59 = 297,800.36 : x
  2. Step 2: Convert to fraction form
    539,522.99/744,527.59 = 297,800.36/x
  3. Step 3: Cross multiply
    539,522.99x = 744,527.59 × 297,800.36
  4. Step 4: Simplify right side
    539,522.99x = 221,720,579,864.79
  5. Step 5: Solve for x
    x = 221,720,579,864.79/539,522.99
  6. Step 6: Final answer
    x = 410,956.69

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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.