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Finding the Fourth Proportional to 673,159.58, 928,945.27 and 371,353.50

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Solution

The fourth proportional to 673,159.58, 928,945.27 and 371,353.50 is: 512,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,159.58 : 928,945.27 = 371,353.50 : x
  2. Step 2: Convert to fraction form
    673,159.58/928,945.27 = 371,353.50/x
  3. Step 3: Cross multiply
    673,159.58x = 928,945.27 × 371,353.50
  4. Step 4: Simplify right side
    673,159.58x = 344,967,077,322.95
  5. Step 5: Solve for x
    x = 344,967,077,322.95/673,159.58
  6. Step 6: Final answer
    x = 512,459.58

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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.