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Finding the Fourth Proportional to 456,581.96, 630,070.98 and 252,627.56

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Solution

The fourth proportional to 456,581.96, 630,070.98 and 252,627.56 is: 348,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,581.96 : 630,070.98 = 252,627.56 : x
  2. Step 2: Convert to fraction form
    456,581.96/630,070.98 = 252,627.56/x
  3. Step 3: Cross multiply
    456,581.96x = 630,070.98 × 252,627.56
  4. Step 4: Simplify right side
    456,581.96x = 159,173,294,304.21
  5. Step 5: Solve for x
    x = 159,173,294,304.21/456,581.96
  6. Step 6: Final answer
    x = 348,619.32

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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.