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Finding the Fourth Proportional to 577,893.40, 866,840.10 and 294,458.20

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Solution

The fourth proportional to 577,893.40, 866,840.10 and 294,458.20 is: 441,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,893.40 : 866,840.10 = 294,458.20 : x
  2. Step 2: Convert to fraction form
    577,893.40/866,840.10 = 294,458.20/x
  3. Step 3: Cross multiply
    577,893.40x = 866,840.10 × 294,458.20
  4. Step 4: Simplify right side
    577,893.40x = 255,248,175,533.82
  5. Step 5: Solve for x
    x = 255,248,175,533.82/577,893.40
  6. Step 6: Final answer
    x = 441,687.30

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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.