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Finding the Fourth Proportional to 570,029.80, 855,044.70 and 149,348.20

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Solution

The fourth proportional to 570,029.80, 855,044.70 and 149,348.20 is: 224,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,029.80 : 855,044.70 = 149,348.20 : x
  2. Step 2: Convert to fraction form
    570,029.80/855,044.70 = 149,348.20/x
  3. Step 3: Cross multiply
    570,029.80x = 855,044.70 × 149,348.20
  4. Step 4: Simplify right side
    570,029.80x = 127,699,386,864.54
  5. Step 5: Solve for x
    x = 127,699,386,864.54/570,029.80
  6. Step 6: Final answer
    x = 224,022.30

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Similar ratio
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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.