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Finding the Fourth Proportional to 248,139.40, 372,209.10 and 236,475.40

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Solution

The fourth proportional to 248,139.40, 372,209.10 and 236,475.40 is: 354,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,139.40 : 372,209.10 = 236,475.40 : x
  2. Step 2: Convert to fraction form
    248,139.40/372,209.10 = 236,475.40/x
  3. Step 3: Cross multiply
    248,139.40x = 372,209.10 × 236,475.40
  4. Step 4: Simplify right side
    248,139.40x = 88,018,295,806.14
  5. Step 5: Solve for x
    x = 88,018,295,806.14/248,139.40
  6. Step 6: Final answer
    x = 354,713.10

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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.