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Finding the Fourth Proportional to 328,000.74, 452,641.02 and 184,760.78

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Solution

The fourth proportional to 328,000.74, 452,641.02 and 184,760.78 is: 254,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,000.74 : 452,641.02 = 184,760.78 : x
  2. Step 2: Convert to fraction form
    328,000.74/452,641.02 = 184,760.78/x
  3. Step 3: Cross multiply
    328,000.74x = 452,641.02 × 184,760.78
  4. Step 4: Simplify right side
    328,000.74x = 83,630,307,915.20
  5. Step 5: Solve for x
    x = 83,630,307,915.20/328,000.74
  6. Step 6: Final answer
    x = 254,969.88

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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.