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Finding the Fourth Proportional to 477,410.77, 658,813.71 and 262,550.81

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Solution

The fourth proportional to 477,410.77, 658,813.71 and 262,550.81 is: 362,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,410.77 : 658,813.71 = 262,550.81 : x
  2. Step 2: Convert to fraction form
    477,410.77/658,813.71 = 262,550.81/x
  3. Step 3: Cross multiply
    477,410.77x = 658,813.71 × 262,550.81
  4. Step 4: Simplify right side
    477,410.77x = 172,972,075,831.21
  5. Step 5: Solve for x
    x = 172,972,075,831.21/477,410.77
  6. Step 6: Final answer
    x = 362,312.89

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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.