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Finding the Fourth Proportional to 422,930.84, 583,641.88 and 241,698.20

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Solution

The fourth proportional to 422,930.84, 583,641.88 and 241,698.20 is: 333,541.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,930.84 : 583,641.88 = 241,698.20 : x
  2. Step 2: Convert to fraction form
    422,930.84/583,641.88 = 241,698.20/x
  3. Step 3: Cross multiply
    422,930.84x = 583,641.88 × 241,698.20
  4. Step 4: Simplify right side
    422,930.84x = 141,065,191,840.62
  5. Step 5: Solve for x
    x = 141,065,191,840.62/422,930.84
  6. Step 6: Final answer
    x = 333,541.98

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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.