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Finding the Fourth Proportional to 456,841.90, 630,432.56 and 252,892.94

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Solution

The fourth proportional to 456,841.90, 630,432.56 and 252,892.94 is: 348,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,841.90 : 630,432.56 = 252,892.94 : x
  2. Step 2: Convert to fraction form
    456,841.90/630,432.56 = 252,892.94/x
  3. Step 3: Cross multiply
    456,841.90x = 630,432.56 × 252,892.94
  4. Step 4: Simplify right side
    456,841.90x = 159,431,942,305.66
  5. Step 5: Solve for x
    x = 159,431,942,305.66/456,841.90
  6. Step 6: Final answer
    x = 348,987.13

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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.