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Finding the Fourth Proportional to 359,018.04, 538,620.32 and 134,396.13

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Solution

The fourth proportional to 359,018.04, 538,620.32 and 134,396.13 is: 201,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,018.04 : 538,620.32 = 134,396.13 : x
  2. Step 2: Convert to fraction form
    359,018.04/538,620.32 = 134,396.13/x
  3. Step 3: Cross multiply
    359,018.04x = 538,620.32 × 134,396.13
  4. Step 4: Simplify right side
    359,018.04x = 72,388,486,547.36
  5. Step 5: Solve for x
    x = 72,388,486,547.36/359,018.04
  6. Step 6: Final answer
    x = 201,629.11

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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.