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Finding the Fourth Proportional to 636,457.52, 954,608.52 and 262,431.92

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Solution

The fourth proportional to 636,457.52, 954,608.52 and 262,431.92 is: 393,615.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,457.52 : 954,608.52 = 262,431.92 : x
  2. Step 2: Convert to fraction form
    636,457.52/954,608.52 = 262,431.92/x
  3. Step 3: Cross multiply
    636,457.52x = 954,608.52 × 262,431.92
  4. Step 4: Simplify right side
    636,457.52x = 250,519,746,751.96
  5. Step 5: Solve for x
    x = 250,519,746,751.96/636,457.52
  6. Step 6: Final answer
    x = 393,615.82

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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.