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Finding the Fourth Proportional to 577,054.40, 864,890.40 and 296,427.20

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Solution

The fourth proportional to 577,054.40, 864,890.40 and 296,427.20 is: 444,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,054.40 : 864,890.40 = 296,427.20 : x
  2. Step 2: Convert to fraction form
    577,054.40/864,890.40 = 296,427.20/x
  3. Step 3: Cross multiply
    577,054.40x = 864,890.40 × 296,427.20
  4. Step 4: Simplify right side
    577,054.40x = 256,377,039,578.88
  5. Step 5: Solve for x
    x = 256,377,039,578.88/577,054.40
  6. Step 6: Final answer
    x = 444,285.74

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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.