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Finding the Fourth Proportional to 403,804.40, 557,242.56 and 222,533.12

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Solution

The fourth proportional to 403,804.40, 557,242.56 and 222,533.12 is: 307,091.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,804.40 : 557,242.56 = 222,533.12 : x
  2. Step 2: Convert to fraction form
    403,804.40/557,242.56 = 222,533.12/x
  3. Step 3: Cross multiply
    403,804.40x = 557,242.56 × 222,533.12
  4. Step 4: Simplify right side
    403,804.40x = 124,004,925,473.59
  5. Step 5: Solve for x
    x = 124,004,925,473.59/403,804.40
  6. Step 6: Final answer
    x = 307,091.57

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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.