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Finding the Fourth Proportional to 384,385.20, 576,577.80 and 366,014.40

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Solution

The fourth proportional to 384,385.20, 576,577.80 and 366,014.40 is: 549,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,385.20 : 576,577.80 = 366,014.40 : x
  2. Step 2: Convert to fraction form
    384,385.20/576,577.80 = 366,014.40/x
  3. Step 3: Cross multiply
    384,385.20x = 576,577.80 × 366,014.40
  4. Step 4: Simplify right side
    384,385.20x = 211,035,777,520.32
  5. Step 5: Solve for x
    x = 211,035,777,520.32/384,385.20
  6. Step 6: Final answer
    x = 549,021.60

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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.