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Finding the Fourth Proportional to 530,689.80, 796,139.76 and 151,613.76

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Solution

The fourth proportional to 530,689.80, 796,139.76 and 151,613.76 is: 227,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,689.80 : 796,139.76 = 151,613.76 : x
  2. Step 2: Convert to fraction form
    530,689.80/796,139.76 = 151,613.76/x
  3. Step 3: Cross multiply
    530,689.80x = 796,139.76 × 151,613.76
  4. Step 4: Simplify right side
    530,689.80x = 120,705,742,499.10
  5. Step 5: Solve for x
    x = 120,705,742,499.10/530,689.80
  6. Step 6: Final answer
    x = 227,450.65

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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.