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Finding the Fourth Proportional to 562,018.63, 775,585.16 and 303,894.96

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Solution

The fourth proportional to 562,018.63, 775,585.16 and 303,894.96 is: 419,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,018.63 : 775,585.16 = 303,894.96 : x
  2. Step 2: Convert to fraction form
    562,018.63/775,585.16 = 303,894.96/x
  3. Step 3: Cross multiply
    562,018.63x = 775,585.16 × 303,894.96
  4. Step 4: Simplify right side
    562,018.63x = 235,696,416,917.00
  5. Step 5: Solve for x
    x = 235,696,416,917.00/562,018.63
  6. Step 6: Final answer
    x = 419,374.74

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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.