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Finding the Fourth Proportional to 456,957.84, 630,601.74 and 255,753.84

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Solution

The fourth proportional to 456,957.84, 630,601.74 and 255,753.84 is: 352,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,957.84 : 630,601.74 = 255,753.84 : x
  2. Step 2: Convert to fraction form
    456,957.84/630,601.74 = 255,753.84/x
  3. Step 3: Cross multiply
    456,957.84x = 630,601.74 × 255,753.84
  4. Step 4: Simplify right side
    456,957.84x = 161,278,816,515.68
  5. Step 5: Solve for x
    x = 161,278,816,515.68/456,957.84
  6. Step 6: Final answer
    x = 352,940.25

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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.