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Finding the Fourth Proportional to 504,479.99, 695,788.73 and 323,208.90

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Solution

The fourth proportional to 504,479.99, 695,788.73 and 323,208.90 is: 445,776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,479.99 : 695,788.73 = 323,208.90 : x
  2. Step 2: Convert to fraction form
    504,479.99/695,788.73 = 323,208.90/x
  3. Step 3: Cross multiply
    504,479.99x = 695,788.73 × 323,208.90
  4. Step 4: Simplify right side
    504,479.99x = 224,885,108,439.65
  5. Step 5: Solve for x
    x = 224,885,108,439.65/504,479.99
  6. Step 6: Final answer
    x = 445,776.08

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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.