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Finding the Fourth Proportional to 303,483.83, 455,505.26 and 153,830.25

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Solution

The fourth proportional to 303,483.83, 455,505.26 and 153,830.25 is: 230,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,483.83 : 455,505.26 = 153,830.25 : x
  2. Step 2: Convert to fraction form
    303,483.83/455,505.26 = 153,830.25/x
  3. Step 3: Cross multiply
    303,483.83x = 455,505.26 × 153,830.25
  4. Step 4: Simplify right side
    303,483.83x = 70,070,487,252.96
  5. Step 5: Solve for x
    x = 70,070,487,252.96/303,483.83
  6. Step 6: Final answer
    x = 230,887.06

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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.