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Finding the Fourth Proportional to 447,557.90, 672,114.45 and 237,605.90

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Solution

The fourth proportional to 447,557.90, 672,114.45 and 237,605.90 is: 356,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,557.90 : 672,114.45 = 237,605.90 : x
  2. Step 2: Convert to fraction form
    447,557.90/672,114.45 = 237,605.90/x
  3. Step 3: Cross multiply
    447,557.90x = 672,114.45 × 237,605.90
  4. Step 4: Simplify right side
    447,557.90x = 159,698,358,795.26
  5. Step 5: Solve for x
    x = 159,698,358,795.26/447,557.90
  6. Step 6: Final answer
    x = 356,821.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.