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Finding the Fourth Proportional to 259,674.58, 358,410.63 and 152,279.20

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Solution

The fourth proportional to 259,674.58, 358,410.63 and 152,279.20 is: 210,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,674.58 : 358,410.63 = 152,279.20 : x
  2. Step 2: Convert to fraction form
    259,674.58/358,410.63 = 152,279.20/x
  3. Step 3: Cross multiply
    259,674.58x = 358,410.63 × 152,279.20
  4. Step 4: Simplify right side
    259,674.58x = 54,578,484,007.90
  5. Step 5: Solve for x
    x = 54,578,484,007.90/259,674.58
  6. Step 6: Final answer
    x = 210,180.31

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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.