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Finding the Fourth Proportional to 650,312.38, 975,779.61 and 229,786.30

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Solution

The fourth proportional to 650,312.38, 975,779.61 and 229,786.30 is: 344,789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,312.38 : 975,779.61 = 229,786.30 : x
  2. Step 2: Convert to fraction form
    650,312.38/975,779.61 = 229,786.30/x
  3. Step 3: Cross multiply
    650,312.38x = 975,779.61 × 229,786.30
  4. Step 4: Simplify right side
    650,312.38x = 224,220,786,197.34
  5. Step 5: Solve for x
    x = 224,220,786,197.34/650,312.38
  6. Step 6: Final answer
    x = 344,789.36

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Double scale
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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.