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Finding the Fourth Proportional to 384,944.40, 577,416.60 and 366,573.60

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Solution

The fourth proportional to 384,944.40, 577,416.60 and 366,573.60 is: 549,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,944.40 : 577,416.60 = 366,573.60 : x
  2. Step 2: Convert to fraction form
    384,944.40/577,416.60 = 366,573.60/x
  3. Step 3: Cross multiply
    384,944.40x = 577,416.60 × 366,573.60
  4. Step 4: Simplify right side
    384,944.40x = 211,665,681,761.76
  5. Step 5: Solve for x
    x = 211,665,681,761.76/384,944.40
  6. Step 6: Final answer
    x = 549,860.40

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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.