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Finding the Fourth Proportional to 476,597.01, 657,715.32 and 261,741.71

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Solution

The fourth proportional to 476,597.01, 657,715.32 and 261,741.71 is: 361,209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,597.01 : 657,715.32 = 261,741.71 : x
  2. Step 2: Convert to fraction form
    476,597.01/657,715.32 = 261,741.71/x
  3. Step 3: Cross multiply
    476,597.01x = 657,715.32 × 261,741.71
  4. Step 4: Simplify right side
    476,597.01x = 172,151,529,261.42
  5. Step 5: Solve for x
    x = 172,151,529,261.42/476,597.01
  6. Step 6: Final answer
    x = 361,209.84

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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.