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Finding the Fourth Proportional to 638,053.44, 957,522 and 253,762.92

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Solution

The fourth proportional to 638,053.44, 957,522 and 253,762.92 is: 380,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,053.44 : 957,522 = 253,762.92 : x
  2. Step 2: Convert to fraction form
    638,053.44/957,522 = 253,762.92/x
  3. Step 3: Cross multiply
    638,053.44x = 957,522 × 253,762.92
  4. Step 4: Simplify right side
    638,053.44x = 242,983,578,684.24
  5. Step 5: Solve for x
    x = 242,983,578,684.24/638,053.44
  6. Step 6: Final answer
    x = 380,820.11

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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.