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Finding the Fourth Proportional to 469,882.84, 648,444.54 and 255,025.48

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Solution

The fourth proportional to 469,882.84, 648,444.54 and 255,025.48 is: 351,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,882.84 : 648,444.54 = 255,025.48 : x
  2. Step 2: Convert to fraction form
    469,882.84/648,444.54 = 255,025.48/x
  3. Step 3: Cross multiply
    469,882.84x = 648,444.54 × 255,025.48
  4. Step 4: Simplify right side
    469,882.84x = 165,369,880,066.88
  5. Step 5: Solve for x
    x = 165,369,880,066.88/469,882.84
  6. Step 6: Final answer
    x = 351,938.54

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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.