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Finding the Fourth Proportional to 540,665.86, 746,134.60 and 295,665.02

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Solution

The fourth proportional to 540,665.86, 746,134.60 and 295,665.02 is: 408,026.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,665.86 : 746,134.60 = 295,665.02 : x
  2. Step 2: Convert to fraction form
    540,665.86/746,134.60 = 295,665.02/x
  3. Step 3: Cross multiply
    540,665.86x = 746,134.60 × 295,665.02
  4. Step 4: Simplify right side
    540,665.86x = 220,605,901,431.69
  5. Step 5: Solve for x
    x = 220,605,901,431.69/540,665.86
  6. Step 6: Final answer
    x = 408,026.32

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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.