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Finding the Fourth Proportional to 673,335.78, 929,222.85 and 371,549.22

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Solution

The fourth proportional to 673,335.78, 929,222.85 and 371,549.22 is: 512,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,335.78 : 929,222.85 = 371,549.22 : x
  2. Step 2: Convert to fraction form
    673,335.78/929,222.85 = 371,549.22/x
  3. Step 3: Cross multiply
    673,335.78x = 929,222.85 × 371,549.22
  4. Step 4: Simplify right side
    673,335.78x = 345,252,025,123.68
  5. Step 5: Solve for x
    x = 345,252,025,123.68/673,335.78
  6. Step 6: Final answer
    x = 512,748.67

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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.