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Finding the Fourth Proportional to 425,259.43, 586,050.55 and 304,190.51

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Solution

The fourth proportional to 425,259.43, 586,050.55 and 304,190.51 is: 419,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,259.43 : 586,050.55 = 304,190.51 : x
  2. Step 2: Convert to fraction form
    425,259.43/586,050.55 = 304,190.51/x
  3. Step 3: Cross multiply
    425,259.43x = 586,050.55 × 304,190.51
  4. Step 4: Simplify right side
    425,259.43x = 178,271,016,394.93
  5. Step 5: Solve for x
    x = 178,271,016,394.93/425,259.43
  6. Step 6: Final answer
    x = 419,205.32

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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.