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Finding the Fourth Proportional to 479,002.95, 718,561.71 and 194,632.74

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Solution

The fourth proportional to 479,002.95, 718,561.71 and 194,632.74 is: 291,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,002.95 : 718,561.71 = 194,632.74 : x
  2. Step 2: Convert to fraction form
    479,002.95/718,561.71 = 194,632.74/x
  3. Step 3: Cross multiply
    479,002.95x = 718,561.71 × 194,632.74
  4. Step 4: Simplify right side
    479,002.95x = 139,855,634,476.39
  5. Step 5: Solve for x
    x = 139,855,634,476.39/479,002.95
  6. Step 6: Final answer
    x = 291,972.39

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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.