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Finding the Fourth Proportional to 493,234.40, 739,851.60 and 360,374.15

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Solution

The fourth proportional to 493,234.40, 739,851.60 and 360,374.15 is: 540,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,234.40 : 739,851.60 = 360,374.15 : x
  2. Step 2: Convert to fraction form
    493,234.40/739,851.60 = 360,374.15/x
  3. Step 3: Cross multiply
    493,234.40x = 739,851.60 × 360,374.15
  4. Step 4: Simplify right side
    493,234.40x = 266,623,391,476.14
  5. Step 5: Solve for x
    x = 266,623,391,476.14/493,234.40
  6. Step 6: Final answer
    x = 540,561.23

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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.