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Finding the Fourth Proportional to 671,798.22, 926,001.03 and 453,938.88

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Solution

The fourth proportional to 671,798.22, 926,001.03 and 453,938.88 is: 625,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,798.22 : 926,001.03 = 453,938.88 : x
  2. Step 2: Convert to fraction form
    671,798.22/926,001.03 = 453,938.88/x
  3. Step 3: Cross multiply
    671,798.22x = 926,001.03 × 453,938.88
  4. Step 4: Simplify right side
    671,798.22x = 420,347,870,437.05
  5. Step 5: Solve for x
    x = 420,347,870,437.05/671,798.22
  6. Step 6: Final answer
    x = 625,705.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.