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Finding the Fourth Proportional to 530,691.32, 796,064.34 and 151,582.16

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Solution

The fourth proportional to 530,691.32, 796,064.34 and 151,582.16 is: 227,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,691.32 : 796,064.34 = 151,582.16 : x
  2. Step 2: Convert to fraction form
    530,691.32/796,064.34 = 151,582.16/x
  3. Step 3: Cross multiply
    530,691.32x = 796,064.34 × 151,582.16
  4. Step 4: Simplify right side
    530,691.32x = 120,669,152,156.17
  5. Step 5: Solve for x
    x = 120,669,152,156.17/530,691.32
  6. Step 6: Final answer
    x = 227,381.05

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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.