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Finding the Fourth Proportional to 318,460.76, 439,466.76 and 175,220.88

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Solution

The fourth proportional to 318,460.76, 439,466.76 and 175,220.88 is: 241,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,460.76 : 439,466.76 = 175,220.88 : x
  2. Step 2: Convert to fraction form
    318,460.76/439,466.76 = 175,220.88/x
  3. Step 3: Cross multiply
    318,460.76x = 439,466.76 × 175,220.88
  4. Step 4: Simplify right side
    318,460.76x = 77,003,752,417.95
  5. Step 5: Solve for x
    x = 77,003,752,417.95/318,460.76
  6. Step 6: Final answer
    x = 241,799.81

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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.