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Finding the Fourth Proportional to 358,095.40, 536,495.10 and 170,693.80

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Solution

The fourth proportional to 358,095.40, 536,495.10 and 170,693.80 is: 255,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,095.40 : 536,495.10 = 170,693.80 : x
  2. Step 2: Convert to fraction form
    358,095.40/536,495.10 = 170,693.80/x
  3. Step 3: Cross multiply
    358,095.40x = 536,495.10 × 170,693.80
  4. Step 4: Simplify right side
    358,095.40x = 91,576,387,300.38
  5. Step 5: Solve for x
    x = 91,576,387,300.38/358,095.40
  6. Step 6: Final answer
    x = 255,731.82

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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.