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Finding the Fourth Proportional to 456,854.55, 630,464.27 and 252,908.88

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Solution

The fourth proportional to 456,854.55, 630,464.27 and 252,908.88 is: 349,017.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,854.55 : 630,464.27 = 252,908.88 : x
  2. Step 2: Convert to fraction form
    456,854.55/630,464.27 = 252,908.88/x
  3. Step 3: Cross multiply
    456,854.55x = 630,464.27 × 252,908.88
  4. Step 4: Simplify right side
    456,854.55x = 159,450,012,405.72
  5. Step 5: Solve for x
    x = 159,450,012,405.72/456,854.55
  6. Step 6: Final answer
    x = 349,017.02

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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.