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Finding the Fourth Proportional to 562,222.28, 775,885.02 and 307,573.47

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Solution

The fourth proportional to 562,222.28, 775,885.02 and 307,573.47 is: 424,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,222.28 : 775,885.02 = 307,573.47 : x
  2. Step 2: Convert to fraction form
    562,222.28/775,885.02 = 307,573.47/x
  3. Step 3: Cross multiply
    562,222.28x = 775,885.02 × 307,573.47
  4. Step 4: Simplify right side
    562,222.28x = 238,641,647,922.42
  5. Step 5: Solve for x
    x = 238,641,647,922.42/562,222.28
  6. Step 6: Final answer
    x = 424,461.39

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Double scale
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Similar ratio
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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.