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Finding the Fourth Proportional to 422,907.55, 583,558.65 and 241,631.22

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Solution

The fourth proportional to 422,907.55, 583,558.65 and 241,631.22 is: 333,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,907.55 : 583,558.65 = 241,631.22 : x
  2. Step 2: Convert to fraction form
    422,907.55/583,558.65 = 241,631.22/x
  3. Step 3: Cross multiply
    422,907.55x = 583,558.65 × 241,631.22
  4. Step 4: Simplify right side
    422,907.55x = 141,005,988,541.05
  5. Step 5: Solve for x
    x = 141,005,988,541.05/422,907.55
  6. Step 6: Final answer
    x = 333,420.36

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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.