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Finding the Fourth Proportional to 456,932.34, 630,566.55 and 255,728.34

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Solution

The fourth proportional to 456,932.34, 630,566.55 and 255,728.34 is: 352,905.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,932.34 : 630,566.55 = 255,728.34 : x
  2. Step 2: Convert to fraction form
    456,932.34/630,566.55 = 255,728.34/x
  3. Step 3: Cross multiply
    456,932.34x = 630,566.55 × 255,728.34
  4. Step 4: Simplify right side
    456,932.34x = 161,253,737,091.03
  5. Step 5: Solve for x
    x = 161,253,737,091.03/456,932.34
  6. Step 6: Final answer
    x = 352,905.06

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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.