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Finding the Fourth Proportional to 538,800.04, 743,577.12 and 297,081.84

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Solution

The fourth proportional to 538,800.04, 743,577.12 and 297,081.84 is: 409,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,800.04 : 743,577.12 = 297,081.84 : x
  2. Step 2: Convert to fraction form
    538,800.04/743,577.12 = 297,081.84/x
  3. Step 3: Cross multiply
    538,800.04x = 743,577.12 × 297,081.84
  4. Step 4: Simplify right side
    538,800.04x = 220,903,258,991.50
  5. Step 5: Solve for x
    x = 220,903,258,991.50/538,800.04
  6. Step 6: Final answer
    x = 409,991.17

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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.