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Finding the Fourth Proportional to 608,403.41, 839,503.45 and 350,230.48

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Solution

The fourth proportional to 608,403.41, 839,503.45 and 350,230.48 is: 483,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,403.41 : 839,503.45 = 350,230.48 : x
  2. Step 2: Convert to fraction form
    608,403.41/839,503.45 = 350,230.48/x
  3. Step 3: Cross multiply
    608,403.41x = 839,503.45 × 350,230.48
  4. Step 4: Simplify right side
    608,403.41x = 294,019,695,379.58
  5. Step 5: Solve for x
    x = 294,019,695,379.58/608,403.41
  6. Step 6: Final answer
    x = 483,264.38

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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.