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Finding the Fourth Proportional to 260,482.08, 359,467 and 151,651.28

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Solution

The fourth proportional to 260,482.08, 359,467 and 151,651.28 is: 209,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,482.08 : 359,467 = 151,651.28 : x
  2. Step 2: Convert to fraction form
    260,482.08/359,467 = 151,651.28/x
  3. Step 3: Cross multiply
    260,482.08x = 359,467 × 151,651.28
  4. Step 4: Simplify right side
    260,482.08x = 54,513,630,667.76
  5. Step 5: Solve for x
    x = 54,513,630,667.76/260,482.08
  6. Step 6: Final answer
    x = 209,279.77

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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.