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Finding the Fourth Proportional to 453,374.42, 621,678 and 441,564.62

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Solution

The fourth proportional to 453,374.42, 621,678 and 441,564.62 is: 605,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,374.42 : 621,678 = 441,564.62 : x
  2. Step 2: Convert to fraction form
    453,374.42/621,678 = 441,564.62/x
  3. Step 3: Cross multiply
    453,374.42x = 621,678 × 441,564.62
  4. Step 4: Simplify right side
    453,374.42x = 274,511,009,832.36
  5. Step 5: Solve for x
    x = 274,511,009,832.36/453,374.42
  6. Step 6: Final answer
    x = 605,484.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.