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Finding the Fourth Proportional to 259,237.64, 357,794.34 and 151,801.40

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Solution

The fourth proportional to 259,237.64, 357,794.34 and 151,801.40 is: 209,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,237.64 : 357,794.34 = 151,801.40 : x
  2. Step 2: Convert to fraction form
    259,237.64/357,794.34 = 151,801.40/x
  3. Step 3: Cross multiply
    259,237.64x = 357,794.34 × 151,801.40
  4. Step 4: Simplify right side
    259,237.64x = 54,313,681,724.08
  5. Step 5: Solve for x
    x = 54,313,681,724.08/259,237.64
  6. Step 6: Final answer
    x = 209,513.10

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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.