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Finding the Fourth Proportional to 273,420.60, 410,130.90 and 160,985.40

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Solution

The fourth proportional to 273,420.60, 410,130.90 and 160,985.40 is: 241,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,420.60 : 410,130.90 = 160,985.40 : x
  2. Step 2: Convert to fraction form
    273,420.60/410,130.90 = 160,985.40/x
  3. Step 3: Cross multiply
    273,420.60x = 410,130.90 × 160,985.40
  4. Step 4: Simplify right side
    273,420.60x = 66,025,086,988.86
  5. Step 5: Solve for x
    x = 66,025,086,988.86/273,420.60
  6. Step 6: Final answer
    x = 241,478.10

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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.