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Finding the Fourth Proportional to 302,035.60, 452,765.40 and 112,445.20

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Solution

The fourth proportional to 302,035.60, 452,765.40 and 112,445.20 is: 168,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,035.60 : 452,765.40 = 112,445.20 : x
  2. Step 2: Convert to fraction form
    302,035.60/452,765.40 = 112,445.20/x
  3. Step 3: Cross multiply
    302,035.60x = 452,765.40 × 112,445.20
  4. Step 4: Simplify right side
    302,035.60x = 50,911,295,956.08
  5. Step 5: Solve for x
    x = 50,911,295,956.08/302,035.60
  6. Step 6: Final answer
    x = 168,560.58

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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.