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Finding the Fourth Proportional to 356,304.68, 534,444.06 and 106,980.20

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Solution

The fourth proportional to 356,304.68, 534,444.06 and 106,980.20 is: 160,466.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,304.68 : 534,444.06 = 106,980.20 : x
  2. Step 2: Convert to fraction form
    356,304.68/534,444.06 = 106,980.20/x
  3. Step 3: Cross multiply
    356,304.68x = 534,444.06 × 106,980.20
  4. Step 4: Simplify right side
    356,304.68x = 57,174,932,427.61
  5. Step 5: Solve for x
    x = 57,174,932,427.61/356,304.68
  6. Step 6: Final answer
    x = 160,466.41

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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.