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Finding the Fourth Proportional to 577,019.52, 796,595.52 and 386,357.76

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Solution

The fourth proportional to 577,019.52, 796,595.52 and 386,357.76 is: 533,380.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,019.52 : 796,595.52 = 386,357.76 : x
  2. Step 2: Convert to fraction form
    577,019.52/796,595.52 = 386,357.76/x
  3. Step 3: Cross multiply
    577,019.52x = 796,595.52 × 386,357.76
  4. Step 4: Simplify right side
    577,019.52x = 307,770,860,733.24
  5. Step 5: Solve for x
    x = 307,770,860,733.24/577,019.52
  6. Step 6: Final answer
    x = 533,380.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.