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Finding the Fourth Proportional to 477,515.45, 658,957.58 and 262,655.51

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Solution

The fourth proportional to 477,515.45, 658,957.58 and 262,655.51 is: 362,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,515.45 : 658,957.58 = 262,655.51 : x
  2. Step 2: Convert to fraction form
    477,515.45/658,957.58 = 262,655.51/x
  3. Step 3: Cross multiply
    477,515.45x = 658,957.58 × 262,655.51
  4. Step 4: Simplify right side
    477,515.45x = 173,078,839,326.80
  5. Step 5: Solve for x
    x = 173,078,839,326.80/477,515.45
  6. Step 6: Final answer
    x = 362,457.04

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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.