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Finding the Fourth Proportional to 333,457.68, 500,280.12 and 133,918.16

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Solution

The fourth proportional to 333,457.68, 500,280.12 and 133,918.16 is: 200,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,457.68 : 500,280.12 = 133,918.16 : x
  2. Step 2: Convert to fraction form
    333,457.68/500,280.12 = 133,918.16/x
  3. Step 3: Cross multiply
    333,457.68x = 500,280.12 × 133,918.16
  4. Step 4: Simplify right side
    333,457.68x = 66,996,593,154.98
  5. Step 5: Solve for x
    x = 66,996,593,154.98/333,457.68
  6. Step 6: Final answer
    x = 200,914.83

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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.