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Finding the Fourth Proportional to 324,881.92, 487,075.92 and 224,776

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Solution

The fourth proportional to 324,881.92, 487,075.92 and 224,776 is: 336,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,881.92 : 487,075.92 = 224,776 : x
  2. Step 2: Convert to fraction form
    324,881.92/487,075.92 = 224,776/x
  3. Step 3: Cross multiply
    324,881.92x = 487,075.92 × 224,776
  4. Step 4: Simplify right side
    324,881.92x = 109,482,976,993.92
  5. Step 5: Solve for x
    x = 109,482,976,993.92/324,881.92
  6. Step 6: Final answer
    x = 336,993.14

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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.