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Finding the Fourth Proportional to 572,714.72, 858,692.96 and 273,241.52

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Solution

The fourth proportional to 572,714.72, 858,692.96 and 273,241.52 is: 409,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,714.72 : 858,692.96 = 273,241.52 : x
  2. Step 2: Convert to fraction form
    572,714.72/858,692.96 = 273,241.52/x
  3. Step 3: Cross multiply
    572,714.72x = 858,692.96 × 273,241.52
  4. Step 4: Simplify right side
    572,714.72x = 234,630,569,603.70
  5. Step 5: Solve for x
    x = 234,630,569,603.70/572,714.72
  6. Step 6: Final answer
    x = 409,681.40

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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.