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Finding the Fourth Proportional to 540,414.05, 745,774.31 and 295,399.14

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Solution

The fourth proportional to 540,414.05, 745,774.31 and 295,399.14 is: 407,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,414.05 : 745,774.31 = 295,399.14 : x
  2. Step 2: Convert to fraction form
    540,414.05/745,774.31 = 295,399.14/x
  3. Step 3: Cross multiply
    540,414.05x = 745,774.31 × 295,399.14
  4. Step 4: Simplify right side
    540,414.05x = 220,301,086,088.32
  5. Step 5: Solve for x
    x = 220,301,086,088.32/540,414.05
  6. Step 6: Final answer
    x = 407,652.41

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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.