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Finding the Fourth Proportional to 504,436.48, 696,087.46 and 283,706.82

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Solution

The fourth proportional to 504,436.48, 696,087.46 and 283,706.82 is: 391,495.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,436.48 : 696,087.46 = 283,706.82 : x
  2. Step 2: Convert to fraction form
    504,436.48/696,087.46 = 283,706.82/x
  3. Step 3: Cross multiply
    504,436.48x = 696,087.46 × 283,706.82
  4. Step 4: Simplify right side
    504,436.48x = 197,484,759,718.48
  5. Step 5: Solve for x
    x = 197,484,759,718.48/504,436.48
  6. Step 6: Final answer
    x = 391,495.79

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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.