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Finding the Fourth Proportional to 358,341.48, 537,589.98 and 109,017

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Solution

The fourth proportional to 358,341.48, 537,589.98 and 109,017 is: 163,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,341.48 : 537,589.98 = 109,017 : x
  2. Step 2: Convert to fraction form
    358,341.48/537,589.98 = 109,017/x
  3. Step 3: Cross multiply
    358,341.48x = 537,589.98 × 109,017
  4. Step 4: Simplify right side
    358,341.48x = 58,606,446,849.66
  5. Step 5: Solve for x
    x = 58,606,446,849.66/358,341.48
  6. Step 6: Final answer
    x = 163,549.16

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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.