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Finding the Fourth Proportional to 284,005.80, 426,008.70 and 237,349.80

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Solution

The fourth proportional to 284,005.80, 426,008.70 and 237,349.80 is: 356,024.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,005.80 : 426,008.70 = 237,349.80 : x
  2. Step 2: Convert to fraction form
    284,005.80/426,008.70 = 237,349.80/x
  3. Step 3: Cross multiply
    284,005.80x = 426,008.70 × 237,349.80
  4. Step 4: Simplify right side
    284,005.80x = 101,113,079,743.26
  5. Step 5: Solve for x
    x = 101,113,079,743.26/284,005.80
  6. Step 6: Final answer
    x = 356,024.70

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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.