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Finding the Fourth Proportional to 306,242.81, 459,457.46 and 156,588.22

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Solution

The fourth proportional to 306,242.81, 459,457.46 and 156,588.22 is: 234,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,242.81 : 459,457.46 = 156,588.22 : x
  2. Step 2: Convert to fraction form
    306,242.81/459,457.46 = 156,588.22/x
  3. Step 3: Cross multiply
    306,242.81x = 459,457.46 × 156,588.22
  4. Step 4: Simplify right side
    306,242.81x = 71,945,626,218.59
  5. Step 5: Solve for x
    x = 71,945,626,218.59/306,242.81
  6. Step 6: Final answer
    x = 234,930.01

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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.