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Finding the Fourth Proportional to 477,807.64, 659,374.62 and 262,963

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Solution

The fourth proportional to 477,807.64, 659,374.62 and 262,963 is: 362,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,807.64 : 659,374.62 = 262,963 : x
  2. Step 2: Convert to fraction form
    477,807.64/659,374.62 = 262,963/x
  3. Step 3: Cross multiply
    477,807.64x = 659,374.62 × 262,963
  4. Step 4: Simplify right side
    477,807.64x = 173,391,128,199.06
  5. Step 5: Solve for x
    x = 173,391,128,199.06/477,807.64
  6. Step 6: Final answer
    x = 362,888.98

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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.