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Finding the Fourth Proportional to 456,790.94, 630,355.42 and 252,842.25

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Solution

The fourth proportional to 456,790.94, 630,355.42 and 252,842.25 is: 348,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,790.94 : 630,355.42 = 252,842.25 : x
  2. Step 2: Convert to fraction form
    456,790.94/630,355.42 = 252,842.25/x
  3. Step 3: Cross multiply
    456,790.94x = 630,355.42 × 252,842.25
  4. Step 4: Simplify right side
    456,790.94x = 159,380,482,692.50
  5. Step 5: Solve for x
    x = 159,380,482,692.50/456,790.94
  6. Step 6: Final answer
    x = 348,913.41

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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.