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Finding the Fourth Proportional to 456,717.93, 630,251.37 and 252,749.77

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Solution

The fourth proportional to 456,717.93, 630,251.37 and 252,749.77 is: 348,783.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,717.93 : 630,251.37 = 252,749.77 : x
  2. Step 2: Convert to fraction form
    456,717.93/630,251.37 = 252,749.77/x
  3. Step 3: Cross multiply
    456,717.93x = 630,251.37 × 252,749.77
  4. Step 4: Simplify right side
    456,717.93x = 159,295,886,878.63
  5. Step 5: Solve for x
    x = 159,295,886,878.63/456,717.93
  6. Step 6: Final answer
    x = 348,783.96

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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.