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Finding the Fourth Proportional to 324,417.96, 447,692.40 and 188,528.76

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Solution

The fourth proportional to 324,417.96, 447,692.40 and 188,528.76 is: 260,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,417.96 : 447,692.40 = 188,528.76 : x
  2. Step 2: Convert to fraction form
    324,417.96/447,692.40 = 188,528.76/x
  3. Step 3: Cross multiply
    324,417.96x = 447,692.40 × 188,528.76
  4. Step 4: Simplify right side
    324,417.96x = 84,402,893,033.42
  5. Step 5: Solve for x
    x = 84,402,893,033.42/324,417.96
  6. Step 6: Final answer
    x = 260,167.14

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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.