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Finding the Fourth Proportional to 318,354.54, 439,322.06 and 175,111.58

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Solution

The fourth proportional to 318,354.54, 439,322.06 and 175,111.58 is: 241,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,354.54 : 439,322.06 = 175,111.58 : x
  2. Step 2: Convert to fraction form
    318,354.54/439,322.06 = 175,111.58/x
  3. Step 3: Cross multiply
    318,354.54x = 439,322.06 × 175,111.58
  4. Step 4: Simplify right side
    318,354.54x = 76,930,380,055.45
  5. Step 5: Solve for x
    x = 76,930,380,055.45/318,354.54
  6. Step 6: Final answer
    x = 241,650.02

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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.