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Finding the Fourth Proportional to 433,543.20, 650,314.80 and 223,591.20

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Solution

The fourth proportional to 433,543.20, 650,314.80 and 223,591.20 is: 335,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,543.20 : 650,314.80 = 223,591.20 : x
  2. Step 2: Convert to fraction form
    433,543.20/650,314.80 = 223,591.20/x
  3. Step 3: Cross multiply
    433,543.20x = 650,314.80 × 223,591.20
  4. Step 4: Simplify right side
    433,543.20x = 145,404,666,509.76
  5. Step 5: Solve for x
    x = 145,404,666,509.76/433,543.20
  6. Step 6: Final answer
    x = 335,386.80

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1.5x scale

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.