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Finding the Fourth Proportional to 691,993.05, 954,973.97 and 401,582.13

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Solution

The fourth proportional to 691,993.05, 954,973.97 and 401,582.13 is: 554,197.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,993.05 : 954,973.97 = 401,582.13 : x
  2. Step 2: Convert to fraction form
    691,993.05/954,973.97 = 401,582.13/x
  3. Step 3: Cross multiply
    691,993.05x = 954,973.97 × 401,582.13
  4. Step 4: Simplify right side
    691,993.05x = 383,500,480,967.16
  5. Step 5: Solve for x
    x = 383,500,480,967.16/691,993.05
  6. Step 6: Final answer
    x = 554,197.01

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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.