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Finding the Fourth Proportional to 539,359.70, 809,363.55 and 223,783.70

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Solution

The fourth proportional to 539,359.70, 809,363.55 and 223,783.70 is: 335,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,359.70 : 809,363.55 = 223,783.70 : x
  2. Step 2: Convert to fraction form
    539,359.70/809,363.55 = 223,783.70/x
  3. Step 3: Cross multiply
    539,359.70x = 809,363.55 × 223,783.70
  4. Step 4: Simplify right side
    539,359.70x = 181,122,369,864.14
  5. Step 5: Solve for x
    x = 181,122,369,864.14/539,359.70
  6. Step 6: Final answer
    x = 335,809.98

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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.