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Finding the Fourth Proportional to 210,473.32, 317,130.84 and 173,853.76

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Solution

The fourth proportional to 210,473.32, 317,130.84 and 173,853.76 is: 261,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,473.32 : 317,130.84 = 173,853.76 : x
  2. Step 2: Convert to fraction form
    210,473.32/317,130.84 = 173,853.76/x
  3. Step 3: Cross multiply
    210,473.32x = 317,130.84 × 173,853.76
  4. Step 4: Simplify right side
    210,473.32x = 55,134,388,945.96
  5. Step 5: Solve for x
    x = 55,134,388,945.96/210,473.32
  6. Step 6: Final answer
    x = 261,954.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.