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Finding the Fourth Proportional to 650,312.88, 975,780.36 and 229,786.80

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Solution

The fourth proportional to 650,312.88, 975,780.36 and 229,786.80 is: 344,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,312.88 : 975,780.36 = 229,786.80 : x
  2. Step 2: Convert to fraction form
    650,312.88/975,780.36 = 229,786.80/x
  3. Step 3: Cross multiply
    650,312.88x = 975,780.36 × 229,786.80
  4. Step 4: Simplify right side
    650,312.88x = 224,221,446,427.25
  5. Step 5: Solve for x
    x = 224,221,446,427.25/650,312.88
  6. Step 6: Final answer
    x = 344,790.11

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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.