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Finding the Fourth Proportional to 407,973.94, 562,497.80 and 271,709.14

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Solution

The fourth proportional to 407,973.94, 562,497.80 and 271,709.14 is: 374,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,973.94 : 562,497.80 = 271,709.14 : x
  2. Step 2: Convert to fraction form
    407,973.94/562,497.80 = 271,709.14/x
  3. Step 3: Cross multiply
    407,973.94x = 562,497.80 × 271,709.14
  4. Step 4: Simplify right side
    407,973.94x = 152,835,793,489.89
  5. Step 5: Solve for x
    x = 152,835,793,489.89/407,973.94
  6. Step 6: Final answer
    x = 374,621.46

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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.