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Finding the Fourth Proportional to 451,463.84, 623,027.12 and 247,533.38

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Solution

The fourth proportional to 451,463.84, 623,027.12 and 247,533.38 is: 341,599.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,463.84 : 623,027.12 = 247,533.38 : x
  2. Step 2: Convert to fraction form
    451,463.84/623,027.12 = 247,533.38/x
  3. Step 3: Cross multiply
    451,463.84x = 623,027.12 × 247,533.38
  4. Step 4: Simplify right side
    451,463.84x = 154,220,004,492.46
  5. Step 5: Solve for x
    x = 154,220,004,492.46/451,463.84
  6. Step 6: Final answer
    x = 341,599.91

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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.