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Finding the Fourth Proportional to 456,774.44, 630,332.64 and 252,825.76

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Solution

The fourth proportional to 456,774.44, 630,332.64 and 252,825.76 is: 348,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,774.44 : 630,332.64 = 252,825.76 : x
  2. Step 2: Convert to fraction form
    456,774.44/630,332.64 = 252,825.76/x
  3. Step 3: Cross multiply
    456,774.44x = 630,332.64 × 252,825.76
  4. Step 4: Simplify right side
    456,774.44x = 159,364,327,184.98
  5. Step 5: Solve for x
    x = 159,364,327,184.98/456,774.44
  6. Step 6: Final answer
    x = 348,890.64

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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.