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Finding the Fourth Proportional to 259,235.64, 357,791.58 and 151,799.40

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Solution

The fourth proportional to 259,235.64, 357,791.58 and 151,799.40 is: 209,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,235.64 : 357,791.58 = 151,799.40 : x
  2. Step 2: Convert to fraction form
    259,235.64/357,791.58 = 151,799.40/x
  3. Step 3: Cross multiply
    259,235.64x = 357,791.58 × 151,799.40
  4. Step 4: Simplify right side
    259,235.64x = 54,312,547,169.05
  5. Step 5: Solve for x
    x = 54,312,547,169.05/259,235.64
  6. Step 6: Final answer
    x = 209,510.34

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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.