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Finding the Fourth Proportional to 507,359.75, 761,058.14 and 170,411.49

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Solution

The fourth proportional to 507,359.75, 761,058.14 and 170,411.49 is: 255,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,359.75 : 761,058.14 = 170,411.49 : x
  2. Step 2: Convert to fraction form
    507,359.75/761,058.14 = 170,411.49/x
  3. Step 3: Cross multiply
    507,359.75x = 761,058.14 × 170,411.49
  4. Step 4: Simplify right side
    507,359.75x = 129,693,050,761.97
  5. Step 5: Solve for x
    x = 129,693,050,761.97/507,359.75
  6. Step 6: Final answer
    x = 255,623.45

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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.