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Finding the Fourth Proportional to 601,766.74, 830,430.66 and 326,118.67

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Solution

The fourth proportional to 601,766.74, 830,430.66 and 326,118.67 is: 450,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,766.74 : 830,430.66 = 326,118.67 : x
  2. Step 2: Convert to fraction form
    601,766.74/830,430.66 = 326,118.67/x
  3. Step 3: Cross multiply
    601,766.74x = 830,430.66 × 326,118.67
  4. Step 4: Simplify right side
    601,766.74x = 270,818,942,366.42
  5. Step 5: Solve for x
    x = 270,818,942,366.42/601,766.74
  6. Step 6: Final answer
    x = 450,039.73

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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.