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Finding the Fourth Proportional to 358,576.76, 537,531.02 and 121,757.46

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Solution

The fourth proportional to 358,576.76, 537,531.02 and 121,757.46 is: 182,522.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,576.76 : 537,531.02 = 121,757.46 : x
  2. Step 2: Convert to fraction form
    358,576.76/537,531.02 = 121,757.46/x
  3. Step 3: Cross multiply
    358,576.76x = 537,531.02 × 121,757.46
  4. Step 4: Simplify right side
    358,576.76x = 65,448,411,666.41
  5. Step 5: Solve for x
    x = 65,448,411,666.41/358,576.76
  6. Step 6: Final answer
    x = 182,522.74

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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.