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Finding the Fourth Proportional to 1,265,483.82, 1,746,363.06 and 684,705.18

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Solution

The fourth proportional to 1,265,483.82, 1,746,363.06 and 684,705.18 is: 944,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,483.82 : 1,746,363.06 = 684,705.18 : x
  2. Step 2: Convert to fraction form
    1,265,483.82/1,746,363.06 = 684,705.18/x
  3. Step 3: Cross multiply
    1,265,483.82x = 1,746,363.06 × 684,705.18
  4. Step 4: Simplify right side
    1,265,483.82x = 1,195,743,833,342.65
  5. Step 5: Solve for x
    x = 1,195,743,833,342.65/1,265,483.82
  6. Step 6: Final answer
    x = 944,890.65

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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.