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Finding the Fourth Proportional to 418,675.63, 577,760.03 and 237,404.11

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Solution

The fourth proportional to 418,675.63, 577,760.03 and 237,404.11 is: 327,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,675.63 : 577,760.03 = 237,404.11 : x
  2. Step 2: Convert to fraction form
    418,675.63/577,760.03 = 237,404.11/x
  3. Step 3: Cross multiply
    418,675.63x = 577,760.03 × 237,404.11
  4. Step 4: Simplify right side
    418,675.63x = 137,162,604,528.70
  5. Step 5: Solve for x
    x = 137,162,604,528.70/418,675.63
  6. Step 6: Final answer
    x = 327,610.67

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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.