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Finding the Fourth Proportional to 364,893.86, 547,117.23 and 128,263.70

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Solution

The fourth proportional to 364,893.86, 547,117.23 and 128,263.70 is: 192,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,893.86 : 547,117.23 = 128,263.70 : x
  2. Step 2: Convert to fraction form
    364,893.86/547,117.23 = 128,263.70/x
  3. Step 3: Cross multiply
    364,893.86x = 547,117.23 × 128,263.70
  4. Step 4: Simplify right side
    364,893.86x = 70,175,280,253.55
  5. Step 5: Solve for x
    x = 70,175,280,253.55/364,893.86
  6. Step 6: Final answer
    x = 192,316.97

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1.5x scale

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.