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Finding the Fourth Proportional to 599,971.60, 899,957.40 and 156,739.60

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Solution

The fourth proportional to 599,971.60, 899,957.40 and 156,739.60 is: 235,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,971.60 : 899,957.40 = 156,739.60 : x
  2. Step 2: Convert to fraction form
    599,971.60/899,957.40 = 156,739.60/x
  3. Step 3: Cross multiply
    599,971.60x = 899,957.40 × 156,739.60
  4. Step 4: Simplify right side
    599,971.60x = 141,058,962,893.04
  5. Step 5: Solve for x
    x = 141,058,962,893.04/599,971.60
  6. Step 6: Final answer
    x = 235,109.40

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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.