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Finding the Fourth Proportional to 297,303.51, 410,279.12 and 169,981.77

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Solution

The fourth proportional to 297,303.51, 410,279.12 and 169,981.77 is: 234,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,303.51 : 410,279.12 = 169,981.77 : x
  2. Step 2: Convert to fraction form
    297,303.51/410,279.12 = 169,981.77/x
  3. Step 3: Cross multiply
    297,303.51x = 410,279.12 × 169,981.77
  4. Step 4: Simplify right side
    297,303.51x = 69,739,968,110.34
  5. Step 5: Solve for x
    x = 69,739,968,110.34/297,303.51
  6. Step 6: Final answer
    x = 234,574.99

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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.