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Finding the Fourth Proportional to 417,692.55, 576,400.29 and 226,701.84

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Solution

The fourth proportional to 417,692.55, 576,400.29 and 226,701.84 is: 312,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,692.55 : 576,400.29 = 226,701.84 : x
  2. Step 2: Convert to fraction form
    417,692.55/576,400.29 = 226,701.84/x
  3. Step 3: Cross multiply
    417,692.55x = 576,400.29 × 226,701.84
  4. Step 4: Simplify right side
    417,692.55x = 130,671,006,319.53
  5. Step 5: Solve for x
    x = 130,671,006,319.53/417,692.55
  6. Step 6: Final answer
    x = 312,840.17

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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.