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Finding the Fourth Proportional to 326,479.50, 450,543.33 and 190,607.67

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Solution

The fourth proportional to 326,479.50, 450,543.33 and 190,607.67 is: 263,039.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,479.50 : 450,543.33 = 190,607.67 : x
  2. Step 2: Convert to fraction form
    326,479.50/450,543.33 = 190,607.67/x
  3. Step 3: Cross multiply
    326,479.50x = 450,543.33 × 190,607.67
  4. Step 4: Simplify right side
    326,479.50x = 85,877,014,365.34
  5. Step 5: Solve for x
    x = 85,877,014,365.34/326,479.50
  6. Step 6: Final answer
    x = 263,039.53

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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.