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Finding the Fourth Proportional to 606,705.62, 837,556.88 and 377,336.85

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Solution

The fourth proportional to 606,705.62, 837,556.88 and 377,336.85 is: 520,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,705.62 : 837,556.88 = 377,336.85 : x
  2. Step 2: Convert to fraction form
    606,705.62/837,556.88 = 377,336.85/x
  3. Step 3: Cross multiply
    606,705.62x = 837,556.88 × 377,336.85
  4. Step 4: Simplify right side
    606,705.62x = 316,041,074,795.03
  5. Step 5: Solve for x
    x = 316,041,074,795.03/606,705.62
  6. Step 6: Final answer
    x = 520,913.38

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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.