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Finding the Fourth Proportional to 456,956.48, 630,600.72 and 255,752.48

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Solution

The fourth proportional to 456,956.48, 630,600.72 and 255,752.48 is: 352,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,956.48 : 630,600.72 = 255,752.48 : x
  2. Step 2: Convert to fraction form
    456,956.48/630,600.72 = 255,752.48/x
  3. Step 3: Cross multiply
    456,956.48x = 630,600.72 × 255,752.48
  4. Step 4: Simplify right side
    456,956.48x = 161,277,698,029.79
  5. Step 5: Solve for x
    x = 161,277,698,029.79/456,956.48
  6. Step 6: Final answer
    x = 352,938.86

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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.