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Finding the Fourth Proportional to 607,193.79, 837,576.15 and 392,333.85

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Solution

The fourth proportional to 607,193.79, 837,576.15 and 392,333.85 is: 541,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,193.79 : 837,576.15 = 392,333.85 : x
  2. Step 2: Convert to fraction form
    607,193.79/837,576.15 = 392,333.85/x
  3. Step 3: Cross multiply
    607,193.79x = 837,576.15 × 392,333.85
  4. Step 4: Simplify right side
    607,193.79x = 328,609,475,597.68
  5. Step 5: Solve for x
    x = 328,609,475,597.68/607,193.79
  6. Step 6: Final answer
    x = 541,193.74

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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.