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Finding the Fourth Proportional to 375,409.70, 563,114.55 and 304,550.90

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Solution

The fourth proportional to 375,409.70, 563,114.55 and 304,550.90 is: 456,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,409.70 : 563,114.55 = 304,550.90 : x
  2. Step 2: Convert to fraction form
    375,409.70/563,114.55 = 304,550.90/x
  3. Step 3: Cross multiply
    375,409.70x = 563,114.55 × 304,550.90
  4. Step 4: Simplify right side
    375,409.70x = 171,497,043,005.60
  5. Step 5: Solve for x
    x = 171,497,043,005.60/375,409.70
  6. Step 6: Final answer
    x = 456,826.35

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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.