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Finding the Fourth Proportional to 415,226.58, 622,446.18 and 134,547

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Solution

The fourth proportional to 415,226.58, 622,446.18 and 134,547 is: 201,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,226.58 : 622,446.18 = 134,547 : x
  2. Step 2: Convert to fraction form
    415,226.58/622,446.18 = 134,547/x
  3. Step 3: Cross multiply
    415,226.58x = 622,446.18 × 134,547
  4. Step 4: Simplify right side
    415,226.58x = 83,748,266,180.46
  5. Step 5: Solve for x
    x = 83,748,266,180.46/415,226.58
  6. Step 6: Final answer
    x = 201,692.93

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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.