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Finding the Fourth Proportional to 378,170.29, 522,008.72 and 337,813.93

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Solution

The fourth proportional to 378,170.29, 522,008.72 and 337,813.93 is: 466,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,170.29 : 522,008.72 = 337,813.93 : x
  2. Step 2: Convert to fraction form
    378,170.29/522,008.72 = 337,813.93/x
  3. Step 3: Cross multiply
    378,170.29x = 522,008.72 × 337,813.93
  4. Step 4: Simplify right side
    378,170.29x = 176,341,817,197.47
  5. Step 5: Solve for x
    x = 176,341,817,197.47/378,170.29
  6. Step 6: Final answer
    x = 466,302.67

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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.