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Finding the Fourth Proportional to 548,106.08, 821,602.24 and 370,633.28

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Solution

The fourth proportional to 548,106.08, 821,602.24 and 370,633.28 is: 555,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,106.08 : 821,602.24 = 370,633.28 : x
  2. Step 2: Convert to fraction form
    548,106.08/821,602.24 = 370,633.28/x
  3. Step 3: Cross multiply
    548,106.08x = 821,602.24 × 370,633.28
  4. Step 4: Simplify right side
    548,106.08x = 304,513,133,066.55
  5. Step 5: Solve for x
    x = 304,513,133,066.55/548,106.08
  6. Step 6: Final answer
    x = 555,573.35

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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.