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Finding the Fourth Proportional to 591,376.64, 886,014.08 and 338,647.04

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Solution

The fourth proportional to 591,376.64, 886,014.08 and 338,647.04 is: 507,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,376.64 : 886,014.08 = 338,647.04 : x
  2. Step 2: Convert to fraction form
    591,376.64/886,014.08 = 338,647.04/x
  3. Step 3: Cross multiply
    591,376.64x = 886,014.08 × 338,647.04
  4. Step 4: Simplify right side
    591,376.64x = 300,046,045,590.32
  5. Step 5: Solve for x
    x = 300,046,045,590.32/591,376.64
  6. Step 6: Final answer
    x = 507,368.78

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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.