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Finding the Fourth Proportional to 456,404.88, 629,762.40 and 265,426.32

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Solution

The fourth proportional to 456,404.88, 629,762.40 and 265,426.32 is: 366,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,404.88 : 629,762.40 = 265,426.32 : x
  2. Step 2: Convert to fraction form
    456,404.88/629,762.40 = 265,426.32/x
  3. Step 3: Cross multiply
    456,404.88x = 629,762.40 × 265,426.32
  4. Step 4: Simplify right side
    456,404.88x = 167,155,516,306.37
  5. Step 5: Solve for x
    x = 167,155,516,306.37/456,404.88
  6. Step 6: Final answer
    x = 366,243.93

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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.