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Finding the Fourth Proportional to 265,538.20, 372,686.60 and 265,538.20

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Solution

The fourth proportional to 265,538.20, 372,686.60 and 265,538.20 is: 372,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,538.20 : 372,686.60 = 265,538.20 : x
  2. Step 2: Convert to fraction form
    265,538.20/372,686.60 = 265,538.20/x
  3. Step 3: Cross multiply
    265,538.20x = 372,686.60 × 265,538.20
  4. Step 4: Simplify right side
    265,538.20x = 98,962,528,928.12
  5. Step 5: Solve for x
    x = 98,962,528,928.12/265,538.20
  6. Step 6: Final answer
    x = 372,686.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.