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Finding the Fourth Proportional to 479,451.71, 661,642.00 and 264,590.24

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Solution

The fourth proportional to 479,451.71, 661,642.00 and 264,590.24 is: 365,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,451.71 : 661,642.00 = 264,590.24 : x
  2. Step 2: Convert to fraction form
    479,451.71/661,642.00 = 264,590.24/x
  3. Step 3: Cross multiply
    479,451.71x = 661,642.00 × 264,590.24
  4. Step 4: Simplify right side
    479,451.71x = 175,064,014,953.58
  5. Step 5: Solve for x
    x = 175,064,014,953.58/479,451.71
  6. Step 6: Final answer
    x = 365,133.78

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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.