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Finding the Fourth Proportional to 594,543.44, 891,812.70 and 215,375.40

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Solution

The fourth proportional to 594,543.44, 891,812.70 and 215,375.40 is: 323,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,543.44 : 891,812.70 = 215,375.40 : x
  2. Step 2: Convert to fraction form
    594,543.44/891,812.70 = 215,375.40/x
  3. Step 3: Cross multiply
    594,543.44x = 891,812.70 × 215,375.40
  4. Step 4: Simplify right side
    594,543.44x = 192,074,516,987.58
  5. Step 5: Solve for x
    x = 192,074,516,987.58/594,543.44
  6. Step 6: Final answer
    x = 323,062.21

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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.