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Finding the Fourth Proportional to 653,482.06, 978,113.85 and 337,504.30

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Solution

The fourth proportional to 653,482.06, 978,113.85 and 337,504.30 is: 505,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,482.06 : 978,113.85 = 337,504.30 : x
  2. Step 2: Convert to fraction form
    653,482.06/978,113.85 = 337,504.30/x
  3. Step 3: Cross multiply
    653,482.06x = 978,113.85 × 337,504.30
  4. Step 4: Simplify right side
    653,482.06x = 330,117,630,264.56
  5. Step 5: Solve for x
    x = 330,117,630,264.56/653,482.06
  6. Step 6: Final answer
    x = 505,167.09

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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.