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Finding the Fourth Proportional to 476,442.89, 657,492.48 and 261,596.87

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Solution

The fourth proportional to 476,442.89, 657,492.48 and 261,596.87 is: 361,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,442.89 : 657,492.48 = 261,596.87 : x
  2. Step 2: Convert to fraction form
    476,442.89/657,492.48 = 261,596.87/x
  3. Step 3: Cross multiply
    476,442.89x = 657,492.48 × 261,596.87
  4. Step 4: Simplify right side
    476,442.89x = 171,997,976,460.27
  5. Step 5: Solve for x
    x = 171,997,976,460.27/476,442.89
  6. Step 6: Final answer
    x = 361,004.39

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1.5x scale

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.