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Finding the Fourth Proportional to 492,953.60, 739,430.40 and 160,563.20

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Solution

The fourth proportional to 492,953.60, 739,430.40 and 160,563.20 is: 240,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,953.60 : 739,430.40 = 160,563.20 : x
  2. Step 2: Convert to fraction form
    492,953.60/739,430.40 = 160,563.20/x
  3. Step 3: Cross multiply
    492,953.60x = 739,430.40 × 160,563.20
  4. Step 4: Simplify right side
    492,953.60x = 118,725,311,201.28
  5. Step 5: Solve for x
    x = 118,725,311,201.28/492,953.60
  6. Step 6: Final answer
    x = 240,844.80

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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.