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Finding the Fourth Proportional to 476,295.65, 657,282.40 and 258,504.70

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Solution

The fourth proportional to 476,295.65, 657,282.40 and 258,504.70 is: 356,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,295.65 : 657,282.40 = 258,504.70 : x
  2. Step 2: Convert to fraction form
    476,295.65/657,282.40 = 258,504.70/x
  3. Step 3: Cross multiply
    476,295.65x = 657,282.40 × 258,504.70
  4. Step 4: Simplify right side
    476,295.65x = 169,910,589,627.28
  5. Step 5: Solve for x
    x = 169,910,589,627.28/476,295.65
  6. Step 6: Final answer
    x = 356,733.45

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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.