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Finding the Fourth Proportional to 235,114.21, 323,720.13 and 207,490.60

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Solution

The fourth proportional to 235,114.21, 323,720.13 and 207,490.60 is: 285,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,114.21 : 323,720.13 = 207,490.60 : x
  2. Step 2: Convert to fraction form
    235,114.21/323,720.13 = 207,490.60/x
  3. Step 3: Cross multiply
    235,114.21x = 323,720.13 × 207,490.60
  4. Step 4: Simplify right side
    235,114.21x = 67,168,884,005.78
  5. Step 5: Solve for x
    x = 67,168,884,005.78/235,114.21
  6. Step 6: Final answer
    x = 285,686.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.