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Finding the Fourth Proportional to 365,012.20, 546,596.70 and 291,284.20

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Solution

The fourth proportional to 365,012.20, 546,596.70 and 291,284.20 is: 436,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,012.20 : 546,596.70 = 291,284.20 : x
  2. Step 2: Convert to fraction form
    365,012.20/546,596.70 = 291,284.20/x
  3. Step 3: Cross multiply
    365,012.20x = 546,596.70 × 291,284.20
  4. Step 4: Simplify right side
    365,012.20x = 159,214,982,482.14
  5. Step 5: Solve for x
    x = 159,214,982,482.14/365,012.20
  6. Step 6: Final answer
    x = 436,190.85

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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.