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Finding the Fourth Proportional to 683,860, 943,709.52 and 382,056.16

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Solution

The fourth proportional to 683,860, 943,709.52 and 382,056.16 is: 527,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,860 : 943,709.52 = 382,056.16 : x
  2. Step 2: Convert to fraction form
    683,860/943,709.52 = 382,056.16/x
  3. Step 3: Cross multiply
    683,860x = 943,709.52 × 382,056.16
  4. Step 4: Simplify right side
    683,860x = 360,550,035,366.64
  5. Step 5: Solve for x
    x = 360,550,035,366.64/683,860
  6. Step 6: Final answer
    x = 527,227.85

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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.