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Finding the Fourth Proportional to 908,892.90, 1,362,464.55 and 706,376.70

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Solution

The fourth proportional to 908,892.90, 1,362,464.55 and 706,376.70 is: 1,058,885.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,892.90 : 1,362,464.55 = 706,376.70 : x
  2. Step 2: Convert to fraction form
    908,892.90/1,362,464.55 = 706,376.70/x
  3. Step 3: Cross multiply
    908,892.90x = 1,362,464.55 × 706,376.70
  4. Step 4: Simplify right side
    908,892.90x = 962,413,212,695.99
  5. Step 5: Solve for x
    x = 962,413,212,695.99/908,892.90
  6. Step 6: Final answer
    x = 1,058,885.17

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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.