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Finding the Fourth Proportional to 577,293.20, 864,627.60 and 296,482.40

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Solution

The fourth proportional to 577,293.20, 864,627.60 and 296,482.40 is: 444,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,293.20 : 864,627.60 = 296,482.40 : x
  2. Step 2: Convert to fraction form
    577,293.20/864,627.60 = 296,482.40/x
  3. Step 3: Cross multiply
    577,293.20x = 864,627.60 × 296,482.40
  4. Step 4: Simplify right side
    577,293.20x = 256,346,865,954.24
  5. Step 5: Solve for x
    x = 256,346,865,954.24/577,293.20
  6. Step 6: Final answer
    x = 444,049.69

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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.