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Finding the Fourth Proportional to 456,790.70, 630,355.35 and 252,850.52

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Solution

The fourth proportional to 456,790.70, 630,355.35 and 252,850.52 is: 348,924.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,790.70 : 630,355.35 = 252,850.52 : x
  2. Step 2: Convert to fraction form
    456,790.70/630,355.35 = 252,850.52/x
  3. Step 3: Cross multiply
    456,790.70x = 630,355.35 × 252,850.52
  4. Step 4: Simplify right side
    456,790.70x = 159,385,674,880.51
  5. Step 5: Solve for x
    x = 159,385,674,880.51/456,790.70
  6. Step 6: Final answer
    x = 348,924.96

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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.