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Finding the Fourth Proportional to 671,307.41, 926,427.08 and 365,395.03

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Solution

The fourth proportional to 671,307.41, 926,427.08 and 365,395.03 is: 504,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,307.41 : 926,427.08 = 365,395.03 : x
  2. Step 2: Convert to fraction form
    671,307.41/926,427.08 = 365,395.03/x
  3. Step 3: Cross multiply
    671,307.41x = 926,427.08 × 365,395.03
  4. Step 4: Simplify right side
    671,307.41x = 338,511,849,286.83
  5. Step 5: Solve for x
    x = 338,511,849,286.83/671,307.41
  6. Step 6: Final answer
    x = 504,257.58

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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.