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Finding the Fourth Proportional to 477,646.08, 659,151.55 and 262,781.53

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Solution

The fourth proportional to 477,646.08, 659,151.55 and 262,781.53 is: 362,638.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,646.08 : 659,151.55 = 262,781.53 : x
  2. Step 2: Convert to fraction form
    477,646.08/659,151.55 = 262,781.53/x
  3. Step 3: Cross multiply
    477,646.08x = 659,151.55 × 262,781.53
  4. Step 4: Simplify right side
    477,646.08x = 173,212,852,810.87
  5. Step 5: Solve for x
    x = 173,212,852,810.87/477,646.08
  6. Step 6: Final answer
    x = 362,638.49

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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.