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Finding the Fourth Proportional to 616,543.92, 924,832.28 and 217,093.84

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Solution

The fourth proportional to 616,543.92, 924,832.28 and 217,093.84 is: 325,646.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,543.92 : 924,832.28 = 217,093.84 : x
  2. Step 2: Convert to fraction form
    616,543.92/924,832.28 = 217,093.84/x
  3. Step 3: Cross multiply
    616,543.92x = 924,832.28 × 217,093.84
  4. Step 4: Simplify right side
    616,543.92x = 200,775,389,251.81
  5. Step 5: Solve for x
    x = 200,775,389,251.81/616,543.92
  6. Step 6: Final answer
    x = 325,646.53

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1.5x scale

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.