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Finding the Fourth Proportional to 456,951, 630,594.54 and 255,785.88

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Solution

The fourth proportional to 456,951, 630,594.54 and 255,785.88 is: 352,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,951 : 630,594.54 = 255,785.88 : x
  2. Step 2: Convert to fraction form
    456,951/630,594.54 = 255,785.88/x
  3. Step 3: Cross multiply
    456,951x = 630,594.54 × 255,785.88
  4. Step 4: Simplify right side
    456,951x = 161,297,179,337.10
  5. Step 5: Solve for x
    x = 161,297,179,337.10/456,951
  6. Step 6: Final answer
    x = 352,985.72

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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.