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Finding the Fourth Proportional to 456,435.36, 629,668.68 and 295,342.32

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Solution

The fourth proportional to 456,435.36, 629,668.68 and 295,342.32 is: 407,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,435.36 : 629,668.68 = 295,342.32 : x
  2. Step 2: Convert to fraction form
    456,435.36/629,668.68 = 295,342.32/x
  3. Step 3: Cross multiply
    456,435.36x = 629,668.68 × 295,342.32
  4. Step 4: Simplify right side
    456,435.36x = 185,967,808,782.54
  5. Step 5: Solve for x
    x = 185,967,808,782.54/456,435.36
  6. Step 6: Final answer
    x = 407,435.15

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1.5x scale

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.