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Finding the Fourth Proportional to 374,059.20, 562,471.20 and 313,233.60

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Solution

The fourth proportional to 374,059.20, 562,471.20 and 313,233.60 is: 471,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,059.20 : 562,471.20 = 313,233.60 : x
  2. Step 2: Convert to fraction form
    374,059.20/562,471.20 = 313,233.60/x
  3. Step 3: Cross multiply
    374,059.20x = 562,471.20 × 313,233.60
  4. Step 4: Simplify right side
    374,059.20x = 176,184,878,872.32
  5. Step 5: Solve for x
    x = 176,184,878,872.32/374,059.20
  6. Step 6: Final answer
    x = 471,008.01

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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.