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Finding the Fourth Proportional to 572,579.70, 859,197.60 and 217,848.30

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Solution

The fourth proportional to 572,579.70, 859,197.60 and 217,848.30 is: 326,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,579.70 : 859,197.60 = 217,848.30 : x
  2. Step 2: Convert to fraction form
    572,579.70/859,197.60 = 217,848.30/x
  3. Step 3: Cross multiply
    572,579.70x = 859,197.60 × 217,848.30
  4. Step 4: Simplify right side
    572,579.70x = 187,174,736,524.08
  5. Step 5: Solve for x
    x = 187,174,736,524.08/572,579.70
  6. Step 6: Final answer
    x = 326,897.26

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Double scale
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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.