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Finding the Fourth Proportional to 363,130.80, 501,134.76 and 219,809.76

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Solution

The fourth proportional to 363,130.80, 501,134.76 and 219,809.76 is: 303,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,130.80 : 501,134.76 = 219,809.76 : x
  2. Step 2: Convert to fraction form
    363,130.80/501,134.76 = 219,809.76/x
  3. Step 3: Cross multiply
    363,130.80x = 501,134.76 × 219,809.76
  4. Step 4: Simplify right side
    363,130.80x = 110,154,311,323.26
  5. Step 5: Solve for x
    x = 110,154,311,323.26/363,130.80
  6. Step 6: Final answer
    x = 303,346.10

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1.5x scale

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.