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Finding the Fourth Proportional to 650,312.63, 975,779.99 and 229,786.55

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Solution

The fourth proportional to 650,312.63, 975,779.99 and 229,786.55 is: 344,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,312.63 : 975,779.99 = 229,786.55 : x
  2. Step 2: Convert to fraction form
    650,312.63/975,779.99 = 229,786.55/x
  3. Step 3: Cross multiply
    650,312.63x = 975,779.99 × 229,786.55
  4. Step 4: Simplify right side
    650,312.63x = 224,221,116,312.20
  5. Step 5: Solve for x
    x = 224,221,116,312.20/650,312.63
  6. Step 6: Final answer
    x = 344,789.73

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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.