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Finding the Fourth Proportional to 401,141.98, 553,580.27 and 219,850.01

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Solution

The fourth proportional to 401,141.98, 553,580.27 and 219,850.01 is: 303,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,141.98 : 553,580.27 = 219,850.01 : x
  2. Step 2: Convert to fraction form
    401,141.98/553,580.27 = 219,850.01/x
  3. Step 3: Cross multiply
    401,141.98x = 553,580.27 × 219,850.01
  4. Step 4: Simplify right side
    401,141.98x = 121,704,626,928.52
  5. Step 5: Solve for x
    x = 121,704,626,928.52/401,141.98
  6. Step 6: Final answer
    x = 303,395.39

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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.