Home / 352,045.30-528,067.95-313,338.10

Finding the Fourth Proportional to 352,045.30, 528,067.95 and 313,338.10

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Solution

The fourth proportional to 352,045.30, 528,067.95 and 313,338.10 is: 470,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,045.30 : 528,067.95 = 313,338.10 : x
  2. Step 2: Convert to fraction form
    352,045.30/528,067.95 = 313,338.10/x
  3. Step 3: Cross multiply
    352,045.30x = 528,067.95 × 313,338.10
  4. Step 4: Simplify right side
    352,045.30x = 165,463,808,123.90
  5. Step 5: Solve for x
    x = 165,463,808,123.90/352,045.30
  6. Step 6: Final answer
    x = 470,007.15

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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.