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Finding the Fourth Proportional to 302,885.15, 417,983.15 and 173,813.34

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Solution

The fourth proportional to 302,885.15, 417,983.15 and 173,813.34 is: 239,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,885.15 : 417,983.15 = 173,813.34 : x
  2. Step 2: Convert to fraction form
    302,885.15/417,983.15 = 173,813.34/x
  3. Step 3: Cross multiply
    302,885.15x = 417,983.15 × 173,813.34
  4. Step 4: Simplify right side
    302,885.15x = 72,651,047,365.22
  5. Step 5: Solve for x
    x = 72,651,047,365.22/302,885.15
  6. Step 6: Final answer
    x = 239,863.35

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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.