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Finding the Fourth Proportional to 366,904.10, 550,356.15 and 340,332.05

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Solution

The fourth proportional to 366,904.10, 550,356.15 and 340,332.05 is: 510,498.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,904.10 : 550,356.15 = 340,332.05 : x
  2. Step 2: Convert to fraction form
    366,904.10/550,356.15 = 340,332.05/x
  3. Step 3: Cross multiply
    366,904.10x = 550,356.15 × 340,332.05
  4. Step 4: Simplify right side
    366,904.10x = 187,303,836,759.61
  5. Step 5: Solve for x
    x = 187,303,836,759.61/366,904.10
  6. Step 6: Final answer
    x = 510,498.08

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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.