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Finding the Fourth Proportional to 288,953.20, 433,429.80 and 101,964.70

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Solution

The fourth proportional to 288,953.20, 433,429.80 and 101,964.70 is: 152,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,953.20 : 433,429.80 = 101,964.70 : x
  2. Step 2: Convert to fraction form
    288,953.20/433,429.80 = 101,964.70/x
  3. Step 3: Cross multiply
    288,953.20x = 433,429.80 × 101,964.70
  4. Step 4: Simplify right side
    288,953.20x = 44,194,539,528.06
  5. Step 5: Solve for x
    x = 44,194,539,528.06/288,953.20
  6. Step 6: Final answer
    x = 152,947.05

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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.