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Finding the Fourth Proportional to 302,693.10, 454,039.65 and 196,404.90

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Solution

The fourth proportional to 302,693.10, 454,039.65 and 196,404.90 is: 294,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,693.10 : 454,039.65 = 196,404.90 : x
  2. Step 2: Convert to fraction form
    302,693.10/454,039.65 = 196,404.90/x
  3. Step 3: Cross multiply
    302,693.10x = 454,039.65 × 196,404.90
  4. Step 4: Simplify right side
    302,693.10x = 89,175,612,054.29
  5. Step 5: Solve for x
    x = 89,175,612,054.29/302,693.10
  6. Step 6: Final answer
    x = 294,607.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.