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Finding the Fourth Proportional to 673,158.08, 928,943.20 and 371,352

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Solution

The fourth proportional to 673,158.08, 928,943.20 and 371,352 is: 512,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,158.08 : 928,943.20 = 371,352 : x
  2. Step 2: Convert to fraction form
    673,158.08/928,943.20 = 371,352/x
  3. Step 3: Cross multiply
    673,158.08x = 928,943.20 × 371,352
  4. Step 4: Simplify right side
    673,158.08x = 344,964,915,206.40
  5. Step 5: Solve for x
    x = 344,964,915,206.40/673,158.08
  6. Step 6: Final answer
    x = 512,457.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.