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Finding the Fourth Proportional to 484,691.95, 668,777.16 and 293,594.32

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Solution

The fourth proportional to 484,691.95, 668,777.16 and 293,594.32 is: 405,100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,691.95 : 668,777.16 = 293,594.32 : x
  2. Step 2: Convert to fraction form
    484,691.95/668,777.16 = 293,594.32/x
  3. Step 3: Cross multiply
    484,691.95x = 668,777.16 × 293,594.32
  4. Step 4: Simplify right side
    484,691.95x = 196,349,175,521.73
  5. Step 5: Solve for x
    x = 196,349,175,521.73/484,691.95
  6. Step 6: Final answer
    x = 405,100.96

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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.