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Finding the Fourth Proportional to 447,313.84, 617,665.58 and 414,859.45

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Solution

The fourth proportional to 447,313.84, 617,665.58 and 414,859.45 is: 572,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,313.84 : 617,665.58 = 414,859.45 : x
  2. Step 2: Convert to fraction form
    447,313.84/617,665.58 = 414,859.45/x
  3. Step 3: Cross multiply
    447,313.84x = 617,665.58 × 414,859.45
  4. Step 4: Simplify right side
    447,313.84x = 256,244,398,994.14
  5. Step 5: Solve for x
    x = 256,244,398,994.14/447,313.84
  6. Step 6: Final answer
    x = 572,851.48

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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.