Home / 353,255.80-529,106.10-313,857.40

Finding the Fourth Proportional to 353,255.80, 529,106.10 and 313,857.40

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Solution

The fourth proportional to 353,255.80, 529,106.10 and 313,857.40 is: 470,095.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,255.80 : 529,106.10 = 313,857.40 : x
  2. Step 2: Convert to fraction form
    353,255.80/529,106.10 = 313,857.40/x
  3. Step 3: Cross multiply
    353,255.80x = 529,106.10 × 313,857.40
  4. Step 4: Simplify right side
    353,255.80x = 166,063,864,870.14
  5. Step 5: Solve for x
    x = 166,063,864,870.14/353,255.80
  6. Step 6: Final answer
    x = 470,095.23

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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.