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Finding the Fourth Proportional to 302,503.20, 417,468.32 and 168,375.84

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Solution

The fourth proportional to 302,503.20, 417,468.32 and 168,375.84 is: 232,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,503.20 : 417,468.32 = 168,375.84 : x
  2. Step 2: Convert to fraction form
    302,503.20/417,468.32 = 168,375.84/x
  3. Step 3: Cross multiply
    302,503.20x = 417,468.32 × 168,375.84
  4. Step 4: Simplify right side
    302,503.20x = 70,291,579,053.39
  5. Step 5: Solve for x
    x = 70,291,579,053.39/302,503.20
  6. Step 6: Final answer
    x = 232,366.40

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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.