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Finding the Fourth Proportional to 476,464.32, 657,828.48 and 295,369.80

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Solution

The fourth proportional to 476,464.32, 657,828.48 and 295,369.80 is: 407,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,464.32 : 657,828.48 = 295,369.80 : x
  2. Step 2: Convert to fraction form
    476,464.32/657,828.48 = 295,369.80/x
  3. Step 3: Cross multiply
    476,464.32x = 657,828.48 × 295,369.80
  4. Step 4: Simplify right side
    476,464.32x = 194,302,666,571.90
  5. Step 5: Solve for x
    x = 194,302,666,571.90/476,464.32
  6. Step 6: Final answer
    x = 407,801.08

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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.