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Finding the Fourth Proportional to 548,600.04, 757,097.48 and 306,868.20

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Solution

The fourth proportional to 548,600.04, 757,097.48 and 306,868.20 is: 423,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,600.04 : 757,097.48 = 306,868.20 : x
  2. Step 2: Convert to fraction form
    548,600.04/757,097.48 = 306,868.20/x
  3. Step 3: Cross multiply
    548,600.04x = 757,097.48 × 306,868.20
  4. Step 4: Simplify right side
    548,600.04x = 232,329,138,840.19
  5. Step 5: Solve for x
    x = 232,329,138,840.19/548,600.04
  6. Step 6: Final answer
    x = 423,494.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.