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Finding the Fourth Proportional to 534,435.05, 737,532.31 and 304,987.76

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Solution

The fourth proportional to 534,435.05, 737,532.31 and 304,987.76 is: 420,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,435.05 : 737,532.31 = 304,987.76 : x
  2. Step 2: Convert to fraction form
    534,435.05/737,532.31 = 304,987.76/x
  3. Step 3: Cross multiply
    534,435.05x = 737,532.31 × 304,987.76
  4. Step 4: Simplify right side
    534,435.05x = 224,938,328,235.89
  5. Step 5: Solve for x
    x = 224,938,328,235.89/534,435.05
  6. Step 6: Final answer
    x = 420,889.93

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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.