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Finding the Fourth Proportional to 584,172.68, 806,164.45 and 326,074.28

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Solution

The fourth proportional to 584,172.68, 806,164.45 and 326,074.28 is: 449,985.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,172.68 : 806,164.45 = 326,074.28 : x
  2. Step 2: Convert to fraction form
    584,172.68/806,164.45 = 326,074.28/x
  3. Step 3: Cross multiply
    584,172.68x = 806,164.45 × 326,074.28
  4. Step 4: Simplify right side
    584,172.68x = 262,869,487,749.34
  5. Step 5: Solve for x
    x = 262,869,487,749.34/584,172.68
  6. Step 6: Final answer
    x = 449,985.94

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1.5x scale

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.