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Finding the Fourth Proportional to 384,818.92, 577,303.98 and 118,534.12

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Solution

The fourth proportional to 384,818.92, 577,303.98 and 118,534.12 is: 177,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,818.92 : 577,303.98 = 118,534.12 : x
  2. Step 2: Convert to fraction form
    384,818.92/577,303.98 = 118,534.12/x
  3. Step 3: Cross multiply
    384,818.92x = 577,303.98 × 118,534.12
  4. Step 4: Simplify right side
    384,818.92x = 68,430,219,241.80
  5. Step 5: Solve for x
    x = 68,430,219,241.80/384,818.92
  6. Step 6: Final answer
    x = 177,824.47

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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.