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Finding the Fourth Proportional to 613,597.84, 846,721.76 and 384,144.62

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Solution

The fourth proportional to 613,597.84, 846,721.76 and 384,144.62 is: 530,092.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,597.84 : 846,721.76 = 384,144.62 : x
  2. Step 2: Convert to fraction form
    613,597.84/846,721.76 = 384,144.62/x
  3. Step 3: Cross multiply
    613,597.84x = 846,721.76 × 384,144.62
  4. Step 4: Simplify right side
    613,597.84x = 325,263,602,586.60
  5. Step 5: Solve for x
    x = 325,263,602,586.60/613,597.84
  6. Step 6: Final answer
    x = 530,092.49

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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.