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Finding the Fourth Proportional to 235,280.40, 352,920.60 and 160,630.80

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Solution

The fourth proportional to 235,280.40, 352,920.60 and 160,630.80 is: 240,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,280.40 : 352,920.60 = 160,630.80 : x
  2. Step 2: Convert to fraction form
    235,280.40/352,920.60 = 160,630.80/x
  3. Step 3: Cross multiply
    235,280.40x = 352,920.60 × 160,630.80
  4. Step 4: Simplify right side
    235,280.40x = 56,689,918,314.48
  5. Step 5: Solve for x
    x = 56,689,918,314.48/235,280.40
  6. Step 6: Final answer
    x = 240,946.20

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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.