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Finding the Fourth Proportional to 369,796.53, 556,015.20 and 340,567.28

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Solution

The fourth proportional to 369,796.53, 556,015.20 and 340,567.28 is: 512,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,796.53 : 556,015.20 = 340,567.28 : x
  2. Step 2: Convert to fraction form
    369,796.53/556,015.20 = 340,567.28/x
  3. Step 3: Cross multiply
    369,796.53x = 556,015.20 × 340,567.28
  4. Step 4: Simplify right side
    369,796.53x = 189,360,581,522.58
  5. Step 5: Solve for x
    x = 189,360,581,522.58/369,796.53
  6. Step 6: Final answer
    x = 512,066.95

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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.