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Finding the Fourth Proportional to 358,045.44, 537,068.14 and 170,488.32

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Solution

The fourth proportional to 358,045.44, 537,068.14 and 170,488.32 is: 255,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,045.44 : 537,068.14 = 170,488.32 : x
  2. Step 2: Convert to fraction form
    358,045.44/537,068.14 = 170,488.32/x
  3. Step 3: Cross multiply
    358,045.44x = 537,068.14 × 170,488.32
  4. Step 4: Simplify right side
    358,045.44x = 91,563,844,914.12
  5. Step 5: Solve for x
    x = 91,563,844,914.12/358,045.44
  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.