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Finding the Fourth Proportional to 637,915.42, 956,215.95 and 283,096.54

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Solution

The fourth proportional to 637,915.42, 956,215.95 and 283,096.54 is: 424,353.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,915.42 : 956,215.95 = 283,096.54 : x
  2. Step 2: Convert to fraction form
    637,915.42/956,215.95 = 283,096.54/x
  3. Step 3: Cross multiply
    637,915.42x = 956,215.95 × 283,096.54
  4. Step 4: Simplify right side
    637,915.42x = 270,701,426,937.81
  5. Step 5: Solve for x
    x = 270,701,426,937.81/637,915.42
  6. Step 6: Final answer
    x = 424,353.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.