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Finding the Fourth Proportional to 570,513.12, 856,203.53 and 211,024.10

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Solution

The fourth proportional to 570,513.12, 856,203.53 and 211,024.10 is: 316,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,513.12 : 856,203.53 = 211,024.10 : x
  2. Step 2: Convert to fraction form
    570,513.12/856,203.53 = 211,024.10/x
  3. Step 3: Cross multiply
    570,513.12x = 856,203.53 × 211,024.10
  4. Step 4: Simplify right side
    570,513.12x = 180,679,573,998.94
  5. Step 5: Solve for x
    x = 180,679,573,998.94/570,513.12
  6. Step 6: Final answer
    x = 316,696.62

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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.