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Finding the Fourth Proportional to 479,437.84, 661,623.52 and 264,577.92

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Solution

The fourth proportional to 479,437.84, 661,623.52 and 264,577.92 is: 365,117.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,437.84 : 661,623.52 = 264,577.92 : x
  2. Step 2: Convert to fraction form
    479,437.84/661,623.52 = 264,577.92/x
  3. Step 3: Cross multiply
    479,437.84x = 661,623.52 × 264,577.92
  4. Step 4: Simplify right side
    479,437.84x = 175,050,974,744.68
  5. Step 5: Solve for x
    x = 175,050,974,744.68/479,437.84
  6. Step 6: Final answer
    x = 365,117.14

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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.