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Finding the Fourth Proportional to 284,321.83, 426,598.75 and 183,172.74

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Solution

The fourth proportional to 284,321.83, 426,598.75 and 183,172.74 is: 274,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,321.83 : 426,598.75 = 183,172.74 : x
  2. Step 2: Convert to fraction form
    284,321.83/426,598.75 = 183,172.74/x
  3. Step 3: Cross multiply
    284,321.83x = 426,598.75 × 183,172.74
  4. Step 4: Simplify right side
    284,321.83x = 78,141,262,946.91
  5. Step 5: Solve for x
    x = 78,141,262,946.91/284,321.83
  6. Step 6: Final answer
    x = 274,833.85

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1.5x scale

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.