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Finding the Fourth Proportional to 636,285.38, 954,428.27 and 187,006.32

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Solution

The fourth proportional to 636,285.38, 954,428.27 and 187,006.32 is: 280,509.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,285.38 : 954,428.27 = 187,006.32 : x
  2. Step 2: Convert to fraction form
    636,285.38/954,428.27 = 187,006.32/x
  3. Step 3: Cross multiply
    636,285.38x = 954,428.27 × 187,006.32
  4. Step 4: Simplify right side
    636,285.38x = 178,484,117,541.64
  5. Step 5: Solve for x
    x = 178,484,117,541.64/636,285.38
  6. Step 6: Final answer
    x = 280,509.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.