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Finding the Fourth Proportional to 673,159.08, 928,944.58 and 371,353

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Solution

The fourth proportional to 673,159.08, 928,944.58 and 371,353 is: 512,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,159.08 : 928,944.58 = 371,353 : x
  2. Step 2: Convert to fraction form
    673,159.08/928,944.58 = 371,353/x
  3. Step 3: Cross multiply
    673,159.08x = 928,944.58 × 371,353
  4. Step 4: Simplify right side
    673,159.08x = 344,966,356,616.74
  5. Step 5: Solve for x
    x = 344,966,356,616.74/673,159.08
  6. Step 6: Final answer
    x = 512,458.89

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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.