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Finding the Fourth Proportional to 595,087.22, 820,859.73 and 353,210.42

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Solution

The fourth proportional to 595,087.22, 820,859.73 and 353,210.42 is: 487,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,087.22 : 820,859.73 = 353,210.42 : x
  2. Step 2: Convert to fraction form
    595,087.22/820,859.73 = 353,210.42/x
  3. Step 3: Cross multiply
    595,087.22x = 820,859.73 × 353,210.42
  4. Step 4: Simplify right side
    595,087.22x = 289,936,209,994.39
  5. Step 5: Solve for x
    x = 289,936,209,994.39/595,087.22
  6. Step 6: Final answer
    x = 487,216.33

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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.