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Finding the Fourth Proportional to 586,757.16, 880,135.72 and 320,372.35

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Solution

The fourth proportional to 586,757.16, 880,135.72 and 320,372.35 is: 480,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,757.16 : 880,135.72 = 320,372.35 : x
  2. Step 2: Convert to fraction form
    586,757.16/880,135.72 = 320,372.35/x
  3. Step 3: Cross multiply
    586,757.16x = 880,135.72 × 320,372.35
  4. Step 4: Simplify right side
    586,757.16x = 281,971,145,934.07
  5. Step 5: Solve for x
    x = 281,971,145,934.07/586,757.16
  6. Step 6: Final answer
    x = 480,558.51

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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.