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Finding the Fourth Proportional to 3,167,390, 4,751,877.18 and 923,528

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Solution

The fourth proportional to 3,167,390, 4,751,877.18 and 923,528 is: 1,385,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167,390 : 4,751,877.18 = 923,528 : x
  2. Step 2: Convert to fraction form
    3,167,390/4,751,877.18 = 923,528/x
  3. Step 3: Cross multiply
    3,167,390x = 4,751,877.18 × 923,528
  4. Step 4: Simplify right side
    3,167,390x = 4,388,491,628,291.04
  5. Step 5: Solve for x
    x = 4,388,491,628,291.04/3,167,390
  6. Step 6: Final answer
    x = 1,385,522.98

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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.