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Finding the Fourth Proportional to 440,192.82, 607,610.79 and 258,897

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Solution

The fourth proportional to 440,192.82, 607,610.79 and 258,897 is: 357,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,192.82 : 607,610.79 = 258,897 : x
  2. Step 2: Convert to fraction form
    440,192.82/607,610.79 = 258,897/x
  3. Step 3: Cross multiply
    440,192.82x = 607,610.79 × 258,897
  4. Step 4: Simplify right side
    440,192.82x = 157,308,610,698.63
  5. Step 5: Solve for x
    x = 157,308,610,698.63/440,192.82
  6. Step 6: Final answer
    x = 357,362.96

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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.