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Finding the Fourth Proportional to 415,423.69, 573,000.00 and 254,358.28

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Solution

The fourth proportional to 415,423.69, 573,000.00 and 254,358.28 is: 350,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,423.69 : 573,000.00 = 254,358.28 : x
  2. Step 2: Convert to fraction form
    415,423.69/573,000.00 = 254,358.28/x
  3. Step 3: Cross multiply
    415,423.69x = 573,000.00 × 254,358.28
  4. Step 4: Simplify right side
    415,423.69x = 145,747,291,694.66
  5. Step 5: Solve for x
    x = 145,747,291,694.66/415,423.69
  6. Step 6: Final answer
    x = 350,840.11

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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.