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Finding the Fourth Proportional to 584,642.62, 806,800.70 and 330,004.54

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Solution

The fourth proportional to 584,642.62, 806,800.70 and 330,004.54 is: 455,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,642.62 : 806,800.70 = 330,004.54 : x
  2. Step 2: Convert to fraction form
    584,642.62/806,800.70 = 330,004.54/x
  3. Step 3: Cross multiply
    584,642.62x = 806,800.70 × 330,004.54
  4. Step 4: Simplify right side
    584,642.62x = 266,247,893,875.18
  5. Step 5: Solve for x
    x = 266,247,893,875.18/584,642.62
  6. Step 6: Final answer
    x = 455,402.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.