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Finding the Fourth Proportional to 330,697.58, 456,367.52 and 185,535.45

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Solution

The fourth proportional to 330,697.58, 456,367.52 and 185,535.45 is: 256,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,697.58 : 456,367.52 = 185,535.45 : x
  2. Step 2: Convert to fraction form
    330,697.58/456,367.52 = 185,535.45/x
  3. Step 3: Cross multiply
    330,697.58x = 456,367.52 × 185,535.45
  4. Step 4: Simplify right side
    330,697.58x = 84,672,353,652.42
  5. Step 5: Solve for x
    x = 84,672,353,652.42/330,697.58
  6. Step 6: Final answer
    x = 256,041.65

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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.