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Finding the Fourth Proportional to 476,525.34, 657,572.45 and 261,679.32

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Solution

The fourth proportional to 476,525.34, 657,572.45 and 261,679.32 is: 361,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,525.34 : 657,572.45 = 261,679.32 : x
  2. Step 2: Convert to fraction form
    476,525.34/657,572.45 = 261,679.32/x
  3. Step 3: Cross multiply
    476,525.34x = 657,572.45 × 261,679.32
  4. Step 4: Simplify right side
    476,525.34x = 172,073,110,258.34
  5. Step 5: Solve for x
    x = 172,073,110,258.34/476,525.34
  6. Step 6: Final answer
    x = 361,099.60

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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.