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Finding the Fourth Proportional to 675,457.80, 1,013,057.10 and 202,158.60

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Solution

The fourth proportional to 675,457.80, 1,013,057.10 and 202,158.60 is: 303,199.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,457.80 : 1,013,057.10 = 202,158.60 : x
  2. Step 2: Convert to fraction form
    675,457.80/1,013,057.10 = 202,158.60/x
  3. Step 3: Cross multiply
    675,457.80x = 1,013,057.10 × 202,158.60
  4. Step 4: Simplify right side
    675,457.80x = 204,798,205,056.06
  5. Step 5: Solve for x
    x = 204,798,205,056.06/675,457.80
  6. Step 6: Final answer
    x = 303,199.11

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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.