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Finding the Fourth Proportional to 570,508.46, 787,247.16 and 341,020.18

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Solution

The fourth proportional to 570,508.46, 787,247.16 and 341,020.18 is: 470,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,508.46 : 787,247.16 = 341,020.18 : x
  2. Step 2: Convert to fraction form
    570,508.46/787,247.16 = 341,020.18/x
  3. Step 3: Cross multiply
    570,508.46x = 787,247.16 × 341,020.18
  4. Step 4: Simplify right side
    570,508.46x = 268,467,168,207.69
  5. Step 5: Solve for x
    x = 268,467,168,207.69/570,508.46
  6. Step 6: Final answer
    x = 470,575.26

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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.