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Finding the Fourth Proportional to 477,488.51, 658,946.61 and 262,634.21

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Solution

The fourth proportional to 477,488.51, 658,946.61 and 262,634.21 is: 362,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,488.51 : 658,946.61 = 262,634.21 : x
  2. Step 2: Convert to fraction form
    477,488.51/658,946.61 = 262,634.21/x
  3. Step 3: Cross multiply
    477,488.51x = 658,946.61 × 262,634.21
  4. Step 4: Simplify right side
    477,488.51x = 173,061,922,349.53
  5. Step 5: Solve for x
    x = 173,061,922,349.53/477,488.51
  6. Step 6: Final answer
    x = 362,442.07

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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.