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Finding the Fourth Proportional to 346,112.76, 519,166.80 and 186,263.91

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Solution

The fourth proportional to 346,112.76, 519,166.80 and 186,263.91 is: 279,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,112.76 : 519,166.80 = 186,263.91 : x
  2. Step 2: Convert to fraction form
    346,112.76/519,166.80 = 186,263.91/x
  3. Step 3: Cross multiply
    346,112.76x = 519,166.80 × 186,263.91
  4. Step 4: Simplify right side
    346,112.76x = 96,702,038,110.19
  5. Step 5: Solve for x
    x = 96,702,038,110.19/346,112.76
  6. Step 6: Final answer
    x = 279,394.61

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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.