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Finding the Fourth Proportional to 284,045.55, 392,025.33 and 182,185.89

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Solution

The fourth proportional to 284,045.55, 392,025.33 and 182,185.89 is: 251,443.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,045.55 : 392,025.33 = 182,185.89 : x
  2. Step 2: Convert to fraction form
    284,045.55/392,025.33 = 182,185.89/x
  3. Step 3: Cross multiply
    284,045.55x = 392,025.33 × 182,185.89
  4. Step 4: Simplify right side
    284,045.55x = 71,421,483,648.59
  5. Step 5: Solve for x
    x = 71,421,483,648.59/284,045.55
  6. Step 6: Final answer
    x = 251,443.77

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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.