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Finding the Fourth Proportional to 496,881.12, 685,697.52 and 270,528

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Solution

The fourth proportional to 496,881.12, 685,697.52 and 270,528 is: 373,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,881.12 : 685,697.52 = 270,528 : x
  2. Step 2: Convert to fraction form
    496,881.12/685,697.52 = 270,528/x
  3. Step 3: Cross multiply
    496,881.12x = 685,697.52 × 270,528
  4. Step 4: Simplify right side
    496,881.12x = 185,500,378,690.56
  5. Step 5: Solve for x
    x = 185,500,378,690.56/496,881.12
  6. Step 6: Final answer
    x = 373,329.50

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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.