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Finding the Fourth Proportional to 700,484.04, 1,051,151.04 and 279,724.68

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Solution

The fourth proportional to 700,484.04, 1,051,151.04 and 279,724.68 is: 419,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,484.04 : 1,051,151.04 = 279,724.68 : x
  2. Step 2: Convert to fraction form
    700,484.04/1,051,151.04 = 279,724.68/x
  3. Step 3: Cross multiply
    700,484.04x = 1,051,151.04 × 279,724.68
  4. Step 4: Simplify right side
    700,484.04x = 294,032,888,295.67
  5. Step 5: Solve for x
    x = 294,032,888,295.67/700,484.04
  6. Step 6: Final answer
    x = 419,756.73

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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.