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Finding the Fourth Proportional to 286,244.70, 429,237.45 and 108,692.70

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Solution

The fourth proportional to 286,244.70, 429,237.45 and 108,692.70 is: 162,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,244.70 : 429,237.45 = 108,692.70 : x
  2. Step 2: Convert to fraction form
    286,244.70/429,237.45 = 108,692.70/x
  3. Step 3: Cross multiply
    286,244.70x = 429,237.45 × 108,692.70
  4. Step 4: Simplify right side
    286,244.70x = 46,654,977,381.62
  5. Step 5: Solve for x
    x = 46,654,977,381.62/286,244.70
  6. Step 6: Final answer
    x = 162,989.84

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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.