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Finding the Fourth Proportional to 524,970.70, 787,570.89 and 170,020.60

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Solution

The fourth proportional to 524,970.70, 787,570.89 and 170,020.60 is: 255,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,970.70 : 787,570.89 = 170,020.60 : x
  2. Step 2: Convert to fraction form
    524,970.70/787,570.89 = 170,020.60/x
  3. Step 3: Cross multiply
    524,970.70x = 787,570.89 × 170,020.60
  4. Step 4: Simplify right side
    524,970.70x = 133,903,272,653.83
  5. Step 5: Solve for x
    x = 133,903,272,653.83/524,970.70
  6. Step 6: Final answer
    x = 255,068.09

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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.