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Finding the Fourth Proportional to 696,915.46, 960,725.33 and 492,605.92

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Solution

The fourth proportional to 696,915.46, 960,725.33 and 492,605.92 is: 679,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,915.46 : 960,725.33 = 492,605.92 : x
  2. Step 2: Convert to fraction form
    696,915.46/960,725.33 = 492,605.92/x
  3. Step 3: Cross multiply
    696,915.46x = 960,725.33 × 492,605.92
  4. Step 4: Simplify right side
    696,915.46x = 473,258,980,248.33
  5. Step 5: Solve for x
    x = 473,258,980,248.33/696,915.46
  6. Step 6: Final answer
    x = 679,076.60

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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.