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Finding the Fourth Proportional to 528,599.05, 729,191.15 and 324,695.93

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Solution

The fourth proportional to 528,599.05, 729,191.15 and 324,695.93 is: 447,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,599.05 : 729,191.15 = 324,695.93 : x
  2. Step 2: Convert to fraction form
    528,599.05/729,191.15 = 324,695.93/x
  3. Step 3: Cross multiply
    528,599.05x = 729,191.15 × 324,695.93
  4. Step 4: Simplify right side
    528,599.05x = 236,765,398,597.02
  5. Step 5: Solve for x
    x = 236,765,398,597.02/528,599.05
  6. Step 6: Final answer
    x = 447,911.13

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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.