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Finding the Fourth Proportional to 3,529,010, 5,293,515 and 869,618

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Solution

The fourth proportional to 3,529,010, 5,293,515 and 869,618 is: 1,304,427

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529,010 : 5,293,515 = 869,618 : x
  2. Step 2: Convert to fraction form
    3,529,010/5,293,515 = 869,618/x
  3. Step 3: Cross multiply
    3,529,010x = 5,293,515 × 869,618
  4. Step 4: Simplify right side
    3,529,010x = 4,603,335,927,270
  5. Step 5: Solve for x
    x = 4,603,335,927,270/3,529,010
  6. Step 6: Final answer
    x = 1,304,427

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.