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Finding the Fourth Proportional to 898,165.60, 1,347,604.80 and 365,725.60

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Solution

The fourth proportional to 898,165.60, 1,347,604.80 and 365,725.60 is: 548,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,165.60 : 1,347,604.80 = 365,725.60 : x
  2. Step 2: Convert to fraction form
    898,165.60/1,347,604.80 = 365,725.60/x
  3. Step 3: Cross multiply
    898,165.60x = 1,347,604.80 × 365,725.60
  4. Step 4: Simplify right side
    898,165.60x = 492,853,574,042.88
  5. Step 5: Solve for x
    x = 492,853,574,042.88/898,165.60
  6. Step 6: Final answer
    x = 548,733.52

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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.