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Finding the Fourth Proportional to 675,620.28, 932,369.58 and 373,819.32

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Solution

The fourth proportional to 675,620.28, 932,369.58 and 373,819.32 is: 515,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,620.28 : 932,369.58 = 373,819.32 : x
  2. Step 2: Convert to fraction form
    675,620.28/932,369.58 = 373,819.32/x
  3. Step 3: Cross multiply
    675,620.28x = 932,369.58 × 373,819.32
  4. Step 4: Simplify right side
    675,620.28x = 348,537,762,384.29
  5. Step 5: Solve for x
    x = 348,537,762,384.29/675,620.28
  6. Step 6: Final answer
    x = 515,878.18

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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.