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Finding the Fourth Proportional to 499,252.30, 689,536.28 and 335,624.60

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Solution

The fourth proportional to 499,252.30, 689,536.28 and 335,624.60 is: 463,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,252.30 : 689,536.28 = 335,624.60 : x
  2. Step 2: Convert to fraction form
    499,252.30/689,536.28 = 335,624.60/x
  3. Step 3: Cross multiply
    499,252.30x = 689,536.28 × 335,624.60
  4. Step 4: Simplify right side
    499,252.30x = 231,425,336,482.37
  5. Step 5: Solve for x
    x = 231,425,336,482.37/499,252.30
  6. Step 6: Final answer
    x = 463,543.86

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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.