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Finding the Fourth Proportional to 294,237.30, 406,043.64 and 173,383.68

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Solution

The fourth proportional to 294,237.30, 406,043.64 and 173,383.68 is: 239,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,237.30 : 406,043.64 = 173,383.68 : x
  2. Step 2: Convert to fraction form
    294,237.30/406,043.64 = 173,383.68/x
  3. Step 3: Cross multiply
    294,237.30x = 406,043.64 × 173,383.68
  4. Step 4: Simplify right side
    294,237.30x = 70,401,340,543.80
  5. Step 5: Solve for x
    x = 70,401,340,543.80/294,237.30
  6. Step 6: Final answer
    x = 239,267.22

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1.5x scale

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.