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Finding the Fourth Proportional to 608,346, 912,519 and 165,114

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Solution

The fourth proportional to 608,346, 912,519 and 165,114 is: 247,671

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,346 : 912,519 = 165,114 : x
  2. Step 2: Convert to fraction form
    608,346/912,519 = 165,114/x
  3. Step 3: Cross multiply
    608,346x = 912,519 × 165,114
  4. Step 4: Simplify right side
    608,346x = 150,669,662,166
  5. Step 5: Solve for x
    x = 150,669,662,166/608,346
  6. Step 6: Final answer
    x = 247,671

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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.