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Finding the Fourth Proportional to 448,580.01, 672,315.95 and 384,952.89

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Solution

The fourth proportional to 448,580.01, 672,315.95 and 384,952.89 is: 576,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,580.01 : 672,315.95 = 384,952.89 : x
  2. Step 2: Convert to fraction form
    448,580.01/672,315.95 = 384,952.89/x
  3. Step 3: Cross multiply
    448,580.01x = 672,315.95 × 384,952.89
  4. Step 4: Simplify right side
    448,580.01x = 258,809,966,020.83
  5. Step 5: Solve for x
    x = 258,809,966,020.83/448,580.01
  6. Step 6: Final answer
    x = 576,953.85

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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.