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Finding the Fourth Proportional to 302,486.88, 417,456 and 175,164.72

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Solution

The fourth proportional to 302,486.88, 417,456 and 175,164.72 is: 241,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,486.88 : 417,456 = 175,164.72 : x
  2. Step 2: Convert to fraction form
    302,486.88/417,456 = 175,164.72/x
  3. Step 3: Cross multiply
    302,486.88x = 417,456 × 175,164.72
  4. Step 4: Simplify right side
    302,486.88x = 73,123,563,352.32
  5. Step 5: Solve for x
    x = 73,123,563,352.32/302,486.88
  6. Step 6: Final answer
    x = 241,741.27

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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.