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Finding the Fourth Proportional to 404,634.76, 607,030.26 and 155,297.32

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Solution

The fourth proportional to 404,634.76, 607,030.26 and 155,297.32 is: 232,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,634.76 : 607,030.26 = 155,297.32 : x
  2. Step 2: Convert to fraction form
    404,634.76/607,030.26 = 155,297.32/x
  3. Step 3: Cross multiply
    404,634.76x = 607,030.26 × 155,297.32
  4. Step 4: Simplify right side
    404,634.76x = 94,270,172,536.90
  5. Step 5: Solve for x
    x = 94,270,172,536.90/404,634.76
  6. Step 6: Final answer
    x = 232,975.96

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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.