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Finding the Fourth Proportional to 595,381.80, 821,607.92 and 340,727.52

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Solution

The fourth proportional to 595,381.80, 821,607.92 and 340,727.52 is: 470,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,381.80 : 821,607.92 = 340,727.52 : x
  2. Step 2: Convert to fraction form
    595,381.80/821,607.92 = 340,727.52/x
  3. Step 3: Cross multiply
    595,381.80x = 821,607.92 × 340,727.52
  4. Step 4: Simplify right side
    595,381.80x = 279,944,428,993.96
  5. Step 5: Solve for x
    x = 279,944,428,993.96/595,381.80
  6. Step 6: Final answer
    x = 470,193.12

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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.