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Finding the Fourth Proportional to 448,526.99, 672,790.49 and 307,859.15

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Solution

The fourth proportional to 448,526.99, 672,790.49 and 307,859.15 is: 461,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,526.99 : 672,790.49 = 307,859.15 : x
  2. Step 2: Convert to fraction form
    448,526.99/672,790.49 = 307,859.15/x
  3. Step 3: Cross multiply
    448,526.99x = 672,790.49 × 307,859.15
  4. Step 4: Simplify right side
    448,526.99x = 207,124,708,379.48
  5. Step 5: Solve for x
    x = 207,124,708,379.48/448,526.99
  6. Step 6: Final answer
    x = 461,788.73

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Double scale
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Similar ratio
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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.