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Finding the Fourth Proportional to 306,650.51, 459,778.93 and 201,346.46

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Solution

The fourth proportional to 306,650.51, 459,778.93 and 201,346.46 is: 301,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,650.51 : 459,778.93 = 201,346.46 : x
  2. Step 2: Convert to fraction form
    306,650.51/459,778.93 = 201,346.46/x
  3. Step 3: Cross multiply
    306,650.51x = 459,778.93 × 201,346.46
  4. Step 4: Simplify right side
    306,650.51x = 92,574,859,938.09
  5. Step 5: Solve for x
    x = 92,574,859,938.09/306,650.51
  6. Step 6: Final answer
    x = 301,890.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.