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Finding the Fourth Proportional to 479,572.62, 661,810.25 and 264,712.74

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Solution

The fourth proportional to 479,572.62, 661,810.25 and 264,712.74 is: 365,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,572.62 : 661,810.25 = 264,712.74 : x
  2. Step 2: Convert to fraction form
    479,572.62/661,810.25 = 264,712.74/x
  3. Step 3: Cross multiply
    479,572.62x = 661,810.25 × 264,712.74
  4. Step 4: Simplify right side
    479,572.62x = 175,189,604,637.59
  5. Step 5: Solve for x
    x = 175,189,604,637.59/479,572.62
  6. Step 6: Final answer
    x = 365,303.60

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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.