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Finding the Fourth Proportional to 434,322.74, 650,587.38 and 322,129.64

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Solution

The fourth proportional to 434,322.74, 650,587.38 and 322,129.64 is: 482,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,322.74 : 650,587.38 = 322,129.64 : x
  2. Step 2: Convert to fraction form
    434,322.74/650,587.38 = 322,129.64/x
  3. Step 3: Cross multiply
    434,322.74x = 650,587.38 × 322,129.64
  4. Step 4: Simplify right side
    434,322.74x = 209,573,478,507.94
  5. Step 5: Solve for x
    x = 209,573,478,507.94/434,322.74
  6. Step 6: Final answer
    x = 482,529.37

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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.