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Finding the Fourth Proportional to 452,144, 623,987.88 and 250,940

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Solution

The fourth proportional to 452,144, 623,987.88 and 250,940 is: 346,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,144 : 623,987.88 = 250,940 : x
  2. Step 2: Convert to fraction form
    452,144/623,987.88 = 250,940/x
  3. Step 3: Cross multiply
    452,144x = 623,987.88 × 250,940
  4. Step 4: Simplify right side
    452,144x = 156,583,518,607.20
  5. Step 5: Solve for x
    x = 156,583,518,607.20/452,144
  6. Step 6: Final answer
    x = 346,313.38

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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.