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Finding the Fourth Proportional to 482,300.16, 665,581.32 and 264,529.68

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Solution

The fourth proportional to 482,300.16, 665,581.32 and 264,529.68 is: 365,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,300.16 : 665,581.32 = 264,529.68 : x
  2. Step 2: Convert to fraction form
    482,300.16/665,581.32 = 264,529.68/x
  3. Step 3: Cross multiply
    482,300.16x = 665,581.32 × 264,529.68
  4. Step 4: Simplify right side
    482,300.16x = 176,066,013,593.58
  5. Step 5: Solve for x
    x = 176,066,013,593.58/482,300.16
  6. Step 6: Final answer
    x = 365,054.85

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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.