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Finding the Fourth Proportional to 455,887.52, 683,220.01 and 354,807.62

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Solution

The fourth proportional to 455,887.52, 683,220.01 and 354,807.62 is: 531,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,887.52 : 683,220.01 = 354,807.62 : x
  2. Step 2: Convert to fraction form
    455,887.52/683,220.01 = 354,807.62/x
  3. Step 3: Cross multiply
    455,887.52x = 683,220.01 × 354,807.62
  4. Step 4: Simplify right side
    455,887.52x = 242,411,665,684.48
  5. Step 5: Solve for x
    x = 242,411,665,684.48/455,887.52
  6. Step 6: Final answer
    x = 531,735.69

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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.