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Finding the Fourth Proportional to 265,598.80, 397,246.20 and 237,720.40

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Solution

The fourth proportional to 265,598.80, 397,246.20 and 237,720.40 is: 355,549.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,598.80 : 397,246.20 = 237,720.40 : x
  2. Step 2: Convert to fraction form
    265,598.80/397,246.20 = 237,720.40/x
  3. Step 3: Cross multiply
    265,598.80x = 397,246.20 × 237,720.40
  4. Step 4: Simplify right side
    265,598.80x = 94,433,525,562.48
  5. Step 5: Solve for x
    x = 94,433,525,562.48/265,598.80
  6. Step 6: Final answer
    x = 355,549.52

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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.