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Finding the Fourth Proportional to 433,980.40, 650,970.60 and 365,551.60

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Solution

The fourth proportional to 433,980.40, 650,970.60 and 365,551.60 is: 548,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,980.40 : 650,970.60 = 365,551.60 : x
  2. Step 2: Convert to fraction form
    433,980.40/650,970.60 = 365,551.60/x
  3. Step 3: Cross multiply
    433,980.40x = 650,970.60 × 365,551.60
  4. Step 4: Simplify right side
    433,980.40x = 237,963,344,382.96
  5. Step 5: Solve for x
    x = 237,963,344,382.96/433,980.40
  6. Step 6: Final answer
    x = 548,327.40

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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.