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Finding the Fourth Proportional to 425,067.50, 585,595.40 and 295,783.64

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Solution

The fourth proportional to 425,067.50, 585,595.40 and 295,783.64 is: 407,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,067.50 : 585,595.40 = 295,783.64 : x
  2. Step 2: Convert to fraction form
    425,067.50/585,595.40 = 295,783.64/x
  3. Step 3: Cross multiply
    425,067.50x = 585,595.40 × 295,783.64
  4. Step 4: Simplify right side
    425,067.50x = 173,209,534,572.36
  5. Step 5: Solve for x
    x = 173,209,534,572.36/425,067.50
  6. Step 6: Final answer
    x = 407,487.13

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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.