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Finding the Fourth Proportional to 447,750.40, 672,403.20 and 237,798.40

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Solution

The fourth proportional to 447,750.40, 672,403.20 and 237,798.40 is: 357,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,750.40 : 672,403.20 = 237,798.40 : x
  2. Step 2: Convert to fraction form
    447,750.40/672,403.20 = 237,798.40/x
  3. Step 3: Cross multiply
    447,750.40x = 672,403.20 × 237,798.40
  4. Step 4: Simplify right side
    447,750.40x = 159,896,405,114.88
  5. Step 5: Solve for x
    x = 159,896,405,114.88/447,750.40
  6. Step 6: Final answer
    x = 357,110.58

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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.