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Finding the Fourth Proportional to 570,814.49, 856,153.70 and 150,123.17

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Solution

The fourth proportional to 570,814.49, 856,153.70 and 150,123.17 is: 225,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,814.49 : 856,153.70 = 150,123.17 : x
  2. Step 2: Convert to fraction form
    570,814.49/856,153.70 = 150,123.17/x
  3. Step 3: Cross multiply
    570,814.49x = 856,153.70 × 150,123.17
  4. Step 4: Simplify right side
    570,814.49x = 128,528,509,403.96
  5. Step 5: Solve for x
    x = 128,528,509,403.96/570,814.49
  6. Step 6: Final answer
    x = 225,166.86

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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.