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Finding the Fourth Proportional to 697,925.44, 963,083.46 and 391,903.96

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Solution

The fourth proportional to 697,925.44, 963,083.46 and 391,903.96 is: 540,797.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,925.44 : 963,083.46 = 391,903.96 : x
  2. Step 2: Convert to fraction form
    697,925.44/963,083.46 = 391,903.96/x
  3. Step 3: Cross multiply
    697,925.44x = 963,083.46 × 391,903.96
  4. Step 4: Simplify right side
    697,925.44x = 377,436,221,784.50
  5. Step 5: Solve for x
    x = 377,436,221,784.50/697,925.44
  6. Step 6: Final answer
    x = 540,797.34

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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.