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Finding the Fourth Proportional to 302,747, 417,803.82 and 168,611

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Solution

The fourth proportional to 302,747, 417,803.82 and 168,611 is: 232,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,747 : 417,803.82 = 168,611 : x
  2. Step 2: Convert to fraction form
    302,747/417,803.82 = 168,611/x
  3. Step 3: Cross multiply
    302,747x = 417,803.82 × 168,611
  4. Step 4: Simplify right side
    302,747x = 70,446,319,894.02
  5. Step 5: Solve for x
    x = 70,446,319,894.02/302,747
  6. Step 6: Final answer
    x = 232,690.40

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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.