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Finding the Fourth Proportional to 554,243.41, 764,459.10 and 360,289.32

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Solution

The fourth proportional to 554,243.41, 764,459.10 and 360,289.32 is: 496,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,243.41 : 764,459.10 = 360,289.32 : x
  2. Step 2: Convert to fraction form
    554,243.41/764,459.10 = 360,289.32/x
  3. Step 3: Cross multiply
    554,243.41x = 764,459.10 × 360,289.32
  4. Step 4: Simplify right side
    554,243.41x = 275,426,446,440.09
  5. Step 5: Solve for x
    x = 275,426,446,440.09/554,243.41
  6. Step 6: Final answer
    x = 496,941.31

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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.