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Finding the Fourth Proportional to 358,045.43, 537,068.15 and 170,488.31

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Solution

The fourth proportional to 358,045.43, 537,068.15 and 170,488.31 is: 255,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,045.43 : 537,068.15 = 170,488.31 : x
  2. Step 2: Convert to fraction form
    358,045.43/537,068.15 = 170,488.31/x
  3. Step 3: Cross multiply
    358,045.43x = 537,068.15 × 170,488.31
  4. Step 4: Simplify right side
    358,045.43x = 91,563,841,248.33
  5. Step 5: Solve for x
    x = 91,563,841,248.33/358,045.43
  6. Step 6: Final answer
    x = 255,732.47

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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.