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Finding the Fourth Proportional to 532,060.35, 734,258.89 and 290,358.53

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Solution

The fourth proportional to 532,060.35, 734,258.89 and 290,358.53 is: 400,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,060.35 : 734,258.89 = 290,358.53 : x
  2. Step 2: Convert to fraction form
    532,060.35/734,258.89 = 290,358.53/x
  3. Step 3: Cross multiply
    532,060.35x = 734,258.89 × 290,358.53
  4. Step 4: Simplify right side
    532,060.35x = 213,198,330,296.11
  5. Step 5: Solve for x
    x = 213,198,330,296.11/532,060.35
  6. Step 6: Final answer
    x = 400,703.29

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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.