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Finding the Fourth Proportional to 356,305.18, 534,444.81 and 106,980.70

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Solution

The fourth proportional to 356,305.18, 534,444.81 and 106,980.70 is: 160,467.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,305.18 : 534,444.81 = 106,980.70 : x
  2. Step 2: Convert to fraction form
    356,305.18/534,444.81 = 106,980.70/x
  3. Step 3: Cross multiply
    356,305.18x = 534,444.81 × 106,980.70
  4. Step 4: Simplify right side
    356,305.18x = 57,175,279,885.17
  5. Step 5: Solve for x
    x = 57,175,279,885.17/356,305.18
  6. Step 6: Final answer
    x = 160,467.16

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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.