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Finding the Fourth Proportional to 452,627.23, 624,636 and 248,690.87

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Solution

The fourth proportional to 452,627.23, 624,636 and 248,690.87 is: 343,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,627.23 : 624,636 = 248,690.87 : x
  2. Step 2: Convert to fraction form
    452,627.23/624,636 = 248,690.87/x
  3. Step 3: Cross multiply
    452,627.23x = 624,636 × 248,690.87
  4. Step 4: Simplify right side
    452,627.23x = 155,341,270,273.32
  5. Step 5: Solve for x
    x = 155,341,270,273.32/452,627.23
  6. Step 6: Final answer
    x = 343,199.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.