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Finding the Fourth Proportional to 534,595.37, 737,765.89 and 305,214.71

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Solution

The fourth proportional to 534,595.37, 737,765.89 and 305,214.71 is: 421,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,595.37 : 737,765.89 = 305,214.71 : x
  2. Step 2: Convert to fraction form
    534,595.37/737,765.89 = 305,214.71/x
  3. Step 3: Cross multiply
    534,595.37x = 737,765.89 × 305,214.71
  4. Step 4: Simplify right side
    534,595.37x = 225,176,997,712.38
  5. Step 5: Solve for x
    x = 225,176,997,712.38/534,595.37
  6. Step 6: Final answer
    x = 421,210.16

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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.