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Finding the Fourth Proportional to 404,630.76, 607,024.26 and 155,293.32

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Solution

The fourth proportional to 404,630.76, 607,024.26 and 155,293.32 is: 232,969.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,630.76 : 607,024.26 = 155,293.32 : x
  2. Step 2: Convert to fraction form
    404,630.76/607,024.26 = 155,293.32/x
  3. Step 3: Cross multiply
    404,630.76x = 607,024.26 × 155,293.32
  4. Step 4: Simplify right side
    404,630.76x = 94,266,812,655.94
  5. Step 5: Solve for x
    x = 94,266,812,655.94/404,630.76
  6. Step 6: Final answer
    x = 232,969.96

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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.