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Finding the Fourth Proportional to 882,390, 1,323,460.02 and 283,272.26

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Solution

The fourth proportional to 882,390, 1,323,460.02 and 283,272.26 is: 424,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,390 : 1,323,460.02 = 283,272.26 : x
  2. Step 2: Convert to fraction form
    882,390/1,323,460.02 = 283,272.26/x
  3. Step 3: Cross multiply
    882,390x = 1,323,460.02 × 283,272.26
  4. Step 4: Simplify right side
    882,390x = 374,899,510,885.05
  5. Step 5: Solve for x
    x = 374,899,510,885.05/882,390
  6. Step 6: Final answer
    x = 424,868.27

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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.