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Finding the Fourth Proportional to 346,319.91, 519,476.54 and 186,470.55

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Solution

The fourth proportional to 346,319.91, 519,476.54 and 186,470.55 is: 279,704.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,319.91 : 519,476.54 = 186,470.55 : x
  2. Step 2: Convert to fraction form
    346,319.91/519,476.54 = 186,470.55/x
  3. Step 3: Cross multiply
    346,319.91x = 519,476.54 × 186,470.55
  4. Step 4: Simplify right side
    346,319.91x = 96,867,075,193.54
  5. Step 5: Solve for x
    x = 96,867,075,193.54/346,319.91
  6. Step 6: Final answer
    x = 279,704.03

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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.