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Finding the Fourth Proportional to 417,692.10, 576,415.68 and 226,705.51

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Solution

The fourth proportional to 417,692.10, 576,415.68 and 226,705.51 is: 312,853.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,692.10 : 576,415.68 = 226,705.51 : x
  2. Step 2: Convert to fraction form
    417,692.10/576,415.68 = 226,705.51/x
  3. Step 3: Cross multiply
    417,692.10x = 576,415.68 × 226,705.51
  4. Step 4: Simplify right side
    417,692.10x = 130,676,610,576.77
  5. Step 5: Solve for x
    x = 130,676,610,576.77/417,692.10
  6. Step 6: Final answer
    x = 312,853.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.