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Finding the Fourth Proportional to 568,738.19, 784,498.28 and 432,473.40

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Solution

The fourth proportional to 568,738.19, 784,498.28 and 432,473.40 is: 596,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,738.19 : 784,498.28 = 432,473.40 : x
  2. Step 2: Convert to fraction form
    568,738.19/784,498.28 = 432,473.40/x
  3. Step 3: Cross multiply
    568,738.19x = 784,498.28 × 432,473.40
  4. Step 4: Simplify right side
    568,738.19x = 339,274,638,716.05
  5. Step 5: Solve for x
    x = 339,274,638,716.05/568,738.19
  6. Step 6: Final answer
    x = 596,539.22

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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.