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Finding the Fourth Proportional to 694,154.01, 957,925.86 and 388,226.73

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Solution

The fourth proportional to 694,154.01, 957,925.86 and 388,226.73 is: 535,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,154.01 : 957,925.86 = 388,226.73 : x
  2. Step 2: Convert to fraction form
    694,154.01/957,925.86 = 388,226.73/x
  3. Step 3: Cross multiply
    694,154.01x = 957,925.86 × 388,226.73
  4. Step 4: Simplify right side
    694,154.01x = 371,892,424,210.24
  5. Step 5: Solve for x
    x = 371,892,424,210.24/694,154.01
  6. Step 6: Final answer
    x = 535,749.15

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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.