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Finding the Fourth Proportional to 456,851.52, 630,447.60 and 252,898.17

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Solution

The fourth proportional to 456,851.52, 630,447.60 and 252,898.17 is: 348,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,851.52 : 630,447.60 = 252,898.17 : x
  2. Step 2: Convert to fraction form
    456,851.52/630,447.60 = 252,898.17/x
  3. Step 3: Cross multiply
    456,851.52x = 630,447.60 × 252,898.17
  4. Step 4: Simplify right side
    456,851.52x = 159,439,044,320.89
  5. Step 5: Solve for x
    x = 159,439,044,320.89/456,851.52
  6. Step 6: Final answer
    x = 348,995.32

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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.